∫ x ^ 2 +2x dx=∫ x ^ 2 dx +∫ 2x dx #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; #160; = x ^ ...

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Theorems on Integration

Find ∫ x 2 ...

Question

Find
$\int x^{2} + 2 x d x$

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Solution

$\int x^{2} + 2 x d x = \int x^{2} d x + \int 2 x d x$
$= \frac{x^{3}}{3} + 2. \frac{x^{2}}{2} + C$
$= \frac{x^{3}}{3} + x^{2} + C$

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