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The nth derivative of xe^x vanishes when...

The nth derivative of `xe^x` vanishes when

A

x = 0

B

x = - 1

C

x = -n

D

x = n

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-DIFFRENTATION-PRACTICE SHEET (EXERCISE - I) (LEVEL - I)(Straight Objective Type Questios)
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  18. If alpha be a repeated root of a quadratic equation f(x) = 0 and A(x)...

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  20. The nth derivative of the function f(x)=1/(1-x^2) [where x in (-1,1) ...

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