1.

The partial fractions of (x^(2)+1)/(x(x^(2)-1)) are

Answer»

`(1)/(X)-(1)/(x+1)+(1)/(x-1)`
`-(1)/(x)+(1)/(x+1)+(1)/(x-1)`
`1/x - (1)/(x+1)+(1)/(x-1)`
`1/x + (1)/(x+1)-(1)/(x-1)`

ANSWER :B


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