Maths-
General
Easy

Question

If S’ and S are the foci of 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 equals 1 and P (x, y) be a point on it, then the value of SP + S’P is

  1. 2b    
  2. 2a    
  3. a – b    
  4. a + b.    

The correct answer is: 2a

Book A Free Demo

+91

Grade*

Related Questions to study

General
Maths-

The eccentricity of the curve represented by the equation x2 + 2y2 – 2x + 3y + 2 = 0 is

The eccentricity of the curve represented by the equation x2 + 2y2 – 2x + 3y + 2 = 0 is

Maths-General
General
Maths-

The foci of the ellipse 25 (x + 1)2 + 9 (y + 2)2 = 225 are

The foci of the ellipse 25 (x + 1)2 + 9 (y + 2)2 = 225 are

Maths-General
General
Maths-

The eccentricity of the ellipse 9x2 + 5y2 – 30y = 0 is

The eccentricity of the ellipse 9x2 + 5y2 – 30y = 0 is

Maths-General
General
Maths-

The sum of all possible numbers greater than 10,000 formed by using {1,3,5,7,9} is

The sum of all possible numbers greater than 10,000 formed by using {1,3,5,7,9} is

Maths-General
General
Maths-

Number of different permutations of the word 'BANANA' is

Number of different permutations of the word 'BANANA' is

Maths-General
General
Maths-

The number of one - one functions that can be defined from A equals left curly bracket a comma b comma c comma d right curly bracket into B equals left curly bracket 1 , 2 comma 3 , 4 right curly bracket is

The number of one - one functions that can be defined from A equals left curly bracket a comma b comma c comma d right curly bracket into B equals left curly bracket 1 , 2 comma 3 , 4 right curly bracket is

Maths-General
General
Maths-

Four dice are rolled then the number of possible out comes is

Four dice are rolled then the number of possible out comes is

Maths-General
General
Maths-

The number of ways in which 5 different coloured flowers be strung in the form of a garland is :

The number of ways in which 5 different coloured flowers be strung in the form of a garland is :

Maths-General
General
Maths-

Number of ways to rearrange the letters of the word CHEESE is

Number of ways to rearrange the letters of the word CHEESE is

Maths-General
General
Maths-

The number of ways in which 17 billiard balls be arranged in a row if 7 of them are black, 6 are red, 4 are white is

The number of ways in which 17 billiard balls be arranged in a row if 7 of them are black, 6 are red, 4 are white is

Maths-General
General
Maths-

Number of permutations that can be made using all the letters of the word MATRIX is

Number of permutations that can be made using all the letters of the word MATRIX is

Maths-General
General
Maths-

The number of different signals that can be made by 5 flags from 8 flags of different colours is :

The number of different signals that can be made by 5 flags from 8 flags of different colours is :

Maths-General
General
Maths-

If fraction numerator x to the power of 2 end exponent plus x plus 1 over denominator x to the power of 2 end exponent plus 2 x plus 1 end fraction equals A plus fraction numerator B over denominator x plus 1 end fraction plus fraction numerator C over denominator left parenthesis x plus 1 right parenthesis to the power of 2 end exponent end fraction then A-B=

If fraction numerator x to the power of 2 end exponent plus x plus 1 over denominator x to the power of 2 end exponent plus 2 x plus 1 end fraction equals A plus fraction numerator B over denominator x plus 1 end fraction plus fraction numerator C over denominator left parenthesis x plus 1 right parenthesis to the power of 2 end exponent end fraction then A-B=

Maths-General
General
Maths-

fraction numerator x plus 1 over denominator left parenthesis 2 x minus 1 right parenthesis left parenthesis 3 x plus 1 right parenthesis end fraction equals fraction numerator A over denominator 2 x minus 1 end fraction plus fraction numerator B over denominator 3 x plus 1 end fraction, then 16 A plus 9 B equals

fraction numerator x plus 1 over denominator left parenthesis 2 x minus 1 right parenthesis left parenthesis 3 x plus 1 right parenthesis end fraction equals fraction numerator A over denominator 2 x minus 1 end fraction plus fraction numerator B over denominator 3 x plus 1 end fraction, then 16 A plus 9 B equals

Maths-General
General
Maths-

If fraction numerator x to the power of 2 end exponent minus 10 x plus 13 over denominator left parenthesis x minus 1 right parenthesis open parentheses x to the power of 2 end exponent minus 5 x plus 6 close parentheses end fraction equals fraction numerator A over denominator x minus 1 end fraction plus fraction numerator B over denominator x minus 2 end fraction plus fraction numerator K over denominator x minus 3 end fraction then K=

If fraction numerator x to the power of 2 end exponent minus 10 x plus 13 over denominator left parenthesis x minus 1 right parenthesis open parentheses x to the power of 2 end exponent minus 5 x plus 6 close parentheses end fraction equals fraction numerator A over denominator x minus 1 end fraction plus fraction numerator B over denominator x minus 2 end fraction plus fraction numerator K over denominator x minus 3 end fraction then K=

Maths-General