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int "(1)/(x)sqrt((x-1)/(x+1))dx= A) cosh...

` int "(1)/(x)sqrt((x-1)/(x+1))dx=`
A) `cosh^(-1)x-sec^(-1)x+c`
(B) `cosh^(-1)x+sec^(-1)x+c`
(C) `sinh^(-1)x-sec^(-1)x+c`
(D) `sinh^(-1)x-cos ec^(-1)x+c`

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