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Let F(x)=e^x,G(x)=e^(-x) " and " H(x)=G(...

Let `F(x)=e^x,G(x)=e^(-x) " and " H(x)=G(F(x))`, where x is a real variable. Then `(dH)/(dx)` at x=0 is

A

1

B

`-1`

C

`-(1)/(e )`

D

`-e`

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-QUESTION PAPER 2017-UNIT-3
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  17. If f(x)=int(-1)^x |t|dt, then for any xge0,f(x) is equal to

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