1.

Integration by partial fraction : int(dx)/(x^(4)-1)=....+c

Answer»

`(1)/(4)log|(X+1)/(x-1)|`
`(1)/(4)log|(x+1)/(x-1)|-(1)/(2)TAN^(-1)x`
`(1)/(2)log|(x^(2)-1)/(x+1)|`
`(1)/(4)log|(x+1)/(x-1)|-(1)/(2) "tan"^(-1)(x)/(2)`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions