1.

int(x^(4)-x^(2)+2)/(x+1)dx :

Answer»

`(X^(4))/(4)+(x^(3))/(3)+LOG(x+1)+C`
`(x^(4))/(4)-(x^(3))/(3)+log(x+1)+c`
`(x^(4))/(4)+(x^(3))/(3)+2log(x+1)+c`
`(x^(4))/(4)-(x^(3))/(3)+2log(x+1)+c`

Answer :D


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