What is $\int 2 x^{3} + 3 x d x$ $int 2x^3 + 3x dx$ ?

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What is $\int 2 x^{3} + 3 x d x$ $int 2x^3 + 3x dx$ ?

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Answer 1 · 2015-11-04T04:42:47

It is

$\int (2 x^{3} + 3 x) d x = \int \frac{d}{d x} [\frac{2}{4} x^{4} + \frac{3}{2} x^{2}] d x = \frac{1}{2} \cdot x^{4} + \frac{3}{2} x^{2} + c$ $int (2x^3+3x)dx=int d/dx[2/4x^4+3/2x^2]dx=1/2*x^4+3/2x^2+c$

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What is $\int 2 x^{3} + 3 x d x$ $int 2x^3 + 3x dx$ ?

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