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Popular Calculus >

integral from-2 to 1 of 4-x^2

Solution

\int_{- 2}^{1} 4 - x^{2} d x

Solution

9

Solution steps

\int_{- 2}^{1} 4 - x^{2} 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}^{1} 4 d x - \int_{- 2}^{1} x^{2} d x

\int_{- 2}^{1} 4 d x = 12

\int_{- 2}^{1} x^{2} d x = 3

= 12 - 3

Simplify

= 9

Graph

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Frequently Asked Questions (FAQ)

What is the integral from-2 to 1 of 4-x^2 ?
The integral from-2 to 1 of 4-x^2 is 9