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int ( x + 2)/( sqrt( x^(2) - 1)) dx i...

`int ( x + 2)/( sqrt( x^(2) - 1)) dx ` is

A

`sqrt(x^(2) - 1 ) - 2 log | x + sqrt(x^(2) - 1)|+ c `

B

`sin^(-1) x - 2 log | x + sqrt( x^(2) - 1)| + c `

C

` 2 log | x + sqrt(x^(2) - 1) |+ c `

D

`sqrt(x^(2) - 1) + 2 log | x + sqrt(x^(2) - 1) | + c `

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The correct Answer is:
A, B, C
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