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If a<0, the function f(x)=e^(ax)+e^(-ax)...

If `a<0,` the function `f(x)=e^(ax)+e^(-ax)` is a monotonically decreasing function for values of `x` given by

A

`xgt0`

B

`xlt0`

C

`xgt1`

D

`xlt1`

Text Solution

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The correct Answer is:
B
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