1.

int_0^1(dx)/(e^x+e^(-x))is equal to

Answer»

`tan^(-1) (e^(x)) + C`
`tan^(-1) (e^(-x)) + C`
`log(e^(x)-e^(-x))+C`
`log(e^(x)+e^(-x))+C`

ANSWER :A


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