Question
If 9P5 + 5 9P4 = 
, then r =
- 4
- 5
- 9
- 10
Hint:
Here we need to find the value of the given variable. Here we will first apply the formula of the permutation to simplify the equation. Then we will apply the mathematical operations that will be required to simplify the given expression further. After simplifying the terms, we will get the value of the required variable.
Formula used:
The correct answer is: 5
Detailed Solution
Here we need to find the value of the given variable.
The given expression is :
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Assertion (A) :If 
, then 
Reason (R) :
Assertion (A) :If , then
Reason (R) :
A particle is released from a height. At certain height its kinetic energy is three times its potential energy. The height and speed of the particle at that instant are respectively
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If x is real, then maximum value of 
is
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The value of 'c' of Lagrange's mean value theorem for 
is
The value of 'c' of Lagrange's mean value theorem for is
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The value of 'c' of Rolle's mean value theorem for is
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– 
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The value of 'c' of Rolle's theorem for – on [–1, 1] is
For 
in [5, 7]
For in [5, 7]
The value of 'c' in Lagrange's mean value theorem for 
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The value of 'c' in Lagrange's mean value theorem for in [0, 1] is
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The equation 
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The equation represents
The polar equation of the circle whose end points of the diameter are 
and 
is
The polar equation of the circle whose end points of the diameter are and is
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The radius of the circle is
The adjoining figure shows the graph of 
Then –
The adjoining figure shows the graph of Then –
Graph of y = ax2 + bx + c = 0 is given adjacently. What conclusions can be drawn from this graph –
Here we can see that the graph was given to us and us to take out the conclusion from that since we have the options available so I would suggest you to always start to check from the options because by the use of options we can see how easily we concluded this question.
Graph of y = ax2 + bx + c = 0 is given adjacently. What conclusions can be drawn from this graph –
Here we can see that the graph was given to us and us to take out the conclusion from that since we have the options available so I would suggest you to always start to check from the options because by the use of options we can see how easily we concluded this question.
