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int(-1)^(1) d/(dx) (1/(1+e^(1/x))) dx =...

`int_(-1)^(1) d/(dx) (1/(1+e^(1/x))) dx =`

A

e/(e+1)

B

1/(e+1)

C

2/(1+e)

D

(1-e)/(1+e)

Text Solution

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The correct Answer is:
D
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