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int(x^(4)+x^(2)+1)/(x^(2)-x+1)dx= (A) (...

`int(x^(4)+x^(2)+1)/(x^(2)-x+1)dx=`
(A) `(1)/(3)x^(3)+(1)/(2)x^(2)+x+c`
(B) `(1)/(3)x^(3)-(1)/(2)x^(2)+x+c`
(C) `(1)/(3)x^(3)+(1)/(2)x^(2)-x+c`
(D) None of these

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