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

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`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-Multiple Choice Questions
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