int dx/(sqrt(4x+2+x^(2))) =...

`int dx/(sqrt(4x+2+x^(2))) =`

A

`2sqrt(x^(2)+4x+2)`

B

`cosh^(-1)(x+2)`

C

`cosh^(-1)((x+2)/2)`

D

`cosh^(-1)((x+2)/sqrt2)`

Verified by Experts

The correct Answer is:

D

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