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Let f(x)=xsinpix,xgt0 .Then for all natu...

Let `f(x)=xsinpix,xgt0` .Then for all natural number n, f'(x) vanishes at

A

a unique point In the interval `(n,n+1/2)`

B

a unique point In the interval `(n+1/2,n+1)`

C

a unique point In the interval `(n,n+1/2)`

D

two points in the interval `(n,n+1)`

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The correct Answer is:
B, C
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PATHFINDER-APPLICATION OF DERIVATIVE-QUESTION BANK
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  3. Let f(x)=xsinpix,xgt0 .Then for all natural number n, f'(x) vanishes a...

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