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int(x^3dx)/(sqrt(1+x^2)) is equal to ...

`int(x^3dx)/(sqrt(1+x^2))` is equal to (A) `1/3sqrt(1+x^2)(2+x^2)+C` (B) `1/3sqrt(1+x^2)(x^2-1)+C` (C) `1/3(1+x^2)^(3/2)+C` (D) `1/3sqrt(1+x^2)(x^2-2)+C`

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CENGAGE PUBLICATION-INTEGRALS-All Questions
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