What is the integral from 1 to 2 of (8x^7-3x^2+2x) ?

The integral from 1 to 2 of (8x^7-3x^2+2x) is 251

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integral from 1 to 2 of (8x^7-3x^2+2x)

\int_{1}^{2} (8 x^{7} - 3 x^{2} + 2 x) d x

251

Solution steps

\int_{1}^{2} 8 x^{7} - 3 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_{1}^{2} 8 x^{7} d x - \int_{1}^{2} 3 x^{2} d x + \int_{1}^{2} 2 x d x

\int_{1}^{2} 8 x^{7} d x = 255

\int_{1}^{2} 3 x^{2} d x = 7

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

= 255 - 7 + 3

Simplify

= 251

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What is the integral from 1 to 2 of (8x^7-3x^2+2x) ?
The integral from 1 to 2 of (8x^7-3x^2+2x) is 251