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Popular Calculus >

integral from-2 to 2 of x^2+2x

Solution

\int_{- 2}^{2} x^{2} + 2 x d x

Solution

\frac{16}{3}

+1

Decimal

5.33333 \dots

Solution steps

\int_{- 2}^{2} x^{2} + 2 x d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{- 2}^{2} x^{2} d x + \int_{- 2}^{2} 2 x d x

\int_{- 2}^{2} x^{2} d x = \frac{16}{3}

\int_{- 2}^{2} 2 x d x = 0

= \frac{16}{3} + 0

Simplify

= \frac{16}{3}

Graph

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Frequently Asked Questions (FAQ)

What is the integral from-2 to 2 of x^2+2x ?
The integral from-2 to 2 of x^2+2x is 16/3