If the chord joining two points whose eccentric angles are al-Turito

General

Easy

Maths-

If the chord joining two points whose eccentric angles are $alpha$ and $beta$ cuts the major axis of an ellipse $fraction numerator x to the power of 2 end exponent over denominator a to the power of 2 end exponent end fraction$ + $fraction numerator y to the power of 2 end exponent over denominator b to the power of 2 end exponent end fraction$ = 1 at a distance c from the centre, then tan $alpha divided by 2$ . tan $beta divided by 2$ is equal to

Maths-General

1
c
$\frac{c + a}{c - a}$
$\frac{c - a}{c + a}$

Answer:The correct answer is: $fraction numerator c plus a over denominator c minus a end fraction$

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General

maths-

P(a cos $theta$ , b sin $theta$ ) is any point on the ellipse $fraction numerator x to the power of 2 end exponent over denominator a to the power of 2 end exponent end fraction$ + $fraction numerator y to the power of 2 end exponent over denominator b to the power of 2 end exponent end fraction$ = 1 $left parenthesis a greater than b right parenthesis$ Now if this ellipse is rotated anticlockwise by 90º and P reaches $straight P to the power of straight prime$ then co-ordinate of $straight P to the power of straight prime$ are -

maths-General

General

maths-

Normal to the ellipse $fraction numerator x to the power of 2 end exponent over denominator 84 end fraction plus fraction numerator y to the power of 2 end exponent over denominator 49 end fraction equals 1$ intersects the major and minor axis at P and Q respectively then locus of the point dividing segment PQ in 2 : 1 is -

Equation of normal 8x sec

theta

– 7y cosec

theta

= 15

P open parentheses fraction numerator 15 over denominator 8 end fraction cos invisible function application theta comma 0 close parentheses

, Q

open parentheses 0 comma fraction numerator negative 15 over denominator 7 end fraction sin invisible function application theta close parentheses

3h =

fraction numerator 15 over denominator 8 end fraction cos invisible function application theta

, 3k =

negative fraction numerator 30 over denominator 7 end fraction sin invisible function application theta

cos

theta

fraction numerator 8 h over denominator 5 end fraction

, sin

theta

fraction numerator negative 7 k over denominator 10 end fraction

hence locus

fraction numerator 64 x to the power of 2 end exponent over denominator 25 end fraction plus fraction numerator 49 y to the power of 2 end exponent over denominator 100 end fraction

= 1

Normal to the ellipse $fraction numerator x to the power of 2 end exponent over denominator 84 end fraction plus fraction numerator y to the power of 2 end exponent over denominator 49 end fraction equals 1$ intersects the major and minor axis at P and Q respectively then locus of the point dividing segment PQ in 2 : 1 is -

maths-General

Equation of normal 8x sec

theta

– 7y cosec

theta

= 15

P open parentheses fraction numerator 15 over denominator 8 end fraction cos invisible function application theta comma 0 close parentheses

, Q

open parentheses 0 comma fraction numerator negative 15 over denominator 7 end fraction sin invisible function application theta close parentheses

3h =

fraction numerator 15 over denominator 8 end fraction cos invisible function application theta

, 3k =

negative fraction numerator 30 over denominator 7 end fraction sin invisible function application theta

cos

theta

fraction numerator 8 h over denominator 5 end fraction

, sin

theta

fraction numerator negative 7 k over denominator 10 end fraction

hence locus

fraction numerator 64 x to the power of 2 end exponent over denominator 25 end fraction plus fraction numerator 49 y to the power of 2 end exponent over denominator 100 end fraction

= 1

General

physics-

Given graph gives variation of $fraction numerator P V over denominator T end fraction$ with P for 1gm of oxygen at two different temperatures T₁ and T₂. If density of oxygen $1.427 k g divided by m to the power of 3 end exponent.$ The value of $fraction numerator P V over denominator T end fraction$ at point A and relation $b divided by w T subscript 1 end subscript & T subscript 2 end subscript text is end text$

physics-General

General

biology

Legume plants are important for crop production because they :

biologyGeneral

General

maths-

$K equals sin invisible function application open parentheses pi over 18 close parentheses sin invisible function application open parentheses fraction numerator 5 pi over denominator 18 end fraction close parentheses sin invisible function application open parentheses fraction numerator 7 pi over denominator 18 end fraction close parentheses not stretchy rightwards double arrow K equals$

maths-General

General

physics-

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T₁ and T₂ then

physics-General

General

maths-

If the chord through the points whose eccentric angles are $alpha$ and $beta$ on the ellipse $fraction numerator x to the power of 2 end exponent over denominator a to the power of 2 end exponent end fraction plus fraction numerator y to the power of 2 end exponent over denominator b to the power of 2 end exponent end fraction$ =1 passes through the focus (ae, 0), then the value of tan $fraction numerator alpha over denominator 2 end fraction$ tan $fraction numerator beta over denominator 2 end fraction$ = 0 is –

maths-General

General

maths-

The limiting value of (cos x)^{1/sin x} as x → 0 is :

maths-General

General

maths-

$stack l i m with x rightwards arrow negative 2 below fraction numerator sin to the power of negative 1 end exponent invisible function application left parenthesis x plus 2 right parenthesis over denominator x to the power of 2 end exponent plus 2 x end fraction$ is equal to:

maths-General

General

maths-

$sin invisible function application A plus sin invisible function application B equals square root of 3 left parenthesis cos invisible function application B minus cos invisible function application A right parenthesis not stretchy rightwards double arrow sin invisible function application 3 A plus sin invisible function application 3 B equals$

maths-General

General

physics-

Given $m subscript A end subscript equals 30 text end text k g comma text end text m subscript B end subscript equals 10 text end text k g comma text end text m subscript C end subscript equals 20 text end text k g$ . The coefficient of friction between A and B $mu subscript 1 end subscript$ = 0.3, between B and C $mu subscript 2 end subscript$ = 0.2 and between C, and ground, $mu subscript 3 end subscript$ = 0.1. The least horizontal force F to start motion of any part of the system of three blocks resting upon one another as shown in figure is ( g = 10 $m divided by s to the power of 2 end exponent$ )

physics-General

General

physics-

For the system shown in the figure, the acceleration of the mass m₄ immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

physics-General

General

physics-

Three blocks A , B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is $fraction numerator 1 over denominator 2 end fraction$ The maximum value of mass of block D so that the blocks A, B and C move without slipping over each other is

physics-General

General

physics-

A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface. At time t=0, block A is given a velocity v₀ in horizontal direction. Let $v subscript 1 end subscript$ and $v subscript 2 end subscript$ be the velocities of A and B at time t. Then choose the correct graph between $v subscript 1 end subscript$ or $v subscript 2 end subscript$ and t

physics-General

General

physics-

In figure shown, both blocks are released from rest. The time to cross each other

physics-General

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Can’t find what you’re looking for?

1
c
$\frac{c + a}{c - a}$
$\frac{c - a}{c + a}$

Answer:The correct answer is: $fraction numerator c plus a over denominator c minus a end fraction$

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Related Questions to study

Legume plants are important for crop production because they :

Legume plants are important for crop production because they :

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T₁ and T₂ then

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T₁ and T₂ then

The limiting value of (cos x)^{1/sin x} as x → 0 is :

The limiting value of (cos x)^{1/sin x} as x → 0 is :

$stack l i m with x rightwards arrow negative 2 below fraction numerator sin to the power of negative 1 end exponent invisible function application left parenthesis x plus 2 right parenthesis over denominator x to the power of 2 end exponent plus 2 x end fraction$ is equal to:

$stack l i m with x rightwards arrow negative 2 below fraction numerator sin to the power of negative 1 end exponent invisible function application left parenthesis x plus 2 right parenthesis over denominator x to the power of 2 end exponent plus 2 x end fraction$ is equal to:

For the system shown in the figure, the acceleration of the mass m₄ immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

For the system shown in the figure, the acceleration of the mass m₄ immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

In figure shown, both blocks are released from rest. The time to cross each other

In figure shown, both blocks are released from rest. The time to cross each other

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If the chord joining two points whose eccentric angles are and cuts the major axis of an ellipse + = 1 at a distance c from the centre, then tan . tan is equal to

1 c

Answer:The correct answer is:

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P(a cos, b sin) is any point on the ellipse + = 1 Now if this ellipse is rotated anticlockwise by 90º and P reaches then co-ordinate of are -

P(a cos, b sin) is any point on the ellipse + = 1 Now if this ellipse is rotated anticlockwise by 90º and P reaches then co-ordinate of are -

Normal to the ellipse intersects the major and minor axis at P and Q respectively then locus of the point dividing segment PQ in 2 : 1 is -

Normal to the ellipse intersects the major and minor axis at P and Q respectively then locus of the point dividing segment PQ in 2 : 1 is -

Given graph gives variation of with P for 1gm of oxygen at two different temperatures T1 and T2. If density of oxygen The value of at point A and relation

Given graph gives variation of with P for 1gm of oxygen at two different temperatures T1 and T2. If density of oxygen The value of at point A and relation

Legume plants are important for crop production because they :

Legume plants are important for crop production because they :

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T1 and T2 then

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T1 and T2 then

If the chord through the points whose eccentric angles are and on the ellipse =1 passes through the focus (ae, 0), then the value of tan tan = 0 is –

If the chord through the points whose eccentric angles are and on the ellipse =1 passes through the focus (ae, 0), then the value of tan tan = 0 is –

The limiting value of (cos x)1/sin x as x → 0 is :

The limiting value of (cos x)1/sin x as x → 0 is :

is equal to:

is equal to:

Given . The coefficient of friction between A and B = 0.3, between B and C = 0.2 and between C, and ground, = 0.1. The least horizontal force F to start motion of any part of the system of three blocks resting upon one another as shown in figure is ( g = 10 )

Given . The coefficient of friction between A and B = 0.3, between B and C = 0.2 and between C, and ground, = 0.1. The least horizontal force F to start motion of any part of the system of three blocks resting upon one another as shown in figure is ( g = 10 )

For the system shown in the figure, the acceleration of the mass m4 immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

For the system shown in the figure, the acceleration of the mass m4 immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

Three blocks A , B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is The maximum value of mass of block D so that the blocks A, B and C move without slipping over each other is

Three blocks A , B and C of equal mass m are placed one over the other on a smooth horizontal ground as shown in figure. Coefficient of friction between any two blocks of A,B and C is The maximum value of mass of block D so that the blocks A, B and C move without slipping over each other is

A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface. At time t=0, block A is given a velocity v0 in horizontal direction. Let and be the velocities of A and B at time t. Then choose the correct graph between or and t

A block A is placed over a long rough plank B of same mass as shown in figure. The plank is placed over a smooth horizontal surface. At time t=0, block A is given a velocity v0 in horizontal direction. Let and be the velocities of A and B at time t. Then choose the correct graph between or and t

In figure shown, both blocks are released from rest. The time to cross each other

In figure shown, both blocks are released from rest. The time to cross each other

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1
c
$\frac{c + a}{c - a}$
$\frac{c - a}{c + a}$

Answer:The correct answer is: $fraction numerator c plus a over denominator c minus a end fraction$

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T₁ and T₂ then

For a certain mass of a gas Isothermal relation between ‘P’ and ‘V’ are shown by the graphs at two different temperatures T₁ and T₂ then

The limiting value of (cos x)^{1/sin x} as x → 0 is :

The limiting value of (cos x)^{1/sin x} as x → 0 is :

$stack l i m with x rightwards arrow negative 2 below fraction numerator sin to the power of negative 1 end exponent invisible function application left parenthesis x plus 2 right parenthesis over denominator x to the power of 2 end exponent plus 2 x end fraction$ is equal to:

$stack l i m with x rightwards arrow negative 2 below fraction numerator sin to the power of negative 1 end exponent invisible function application left parenthesis x plus 2 right parenthesis over denominator x to the power of 2 end exponent plus 2 x end fraction$ is equal to:

For the system shown in the figure, the acceleration of the mass m₄ immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)

For the system shown in the figure, the acceleration of the mass m₄ immediately after the lower thread x is cut will be, (assume that the threads are weightless and inextensible, the spring are weightless, the mass of pulley is negligible and there is no friction)