What is the integral from 1/2 to 1 of (x^{-3}-20) ?

The integral from 1/2 to 1 of (x^{-3}-20) is -17/2

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integral from 1/2 to 1 of (x^{-3}-20)

\int_{\frac{1}{2}}^{1} (x^{- 3} - 20) d x

- \frac{17}{2}

Decimal

- 8.5

Solution steps

\int_{\frac{1}{2}}^{1} x^{- 3} - 20 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_{\frac{1}{2}}^{1} x^{- 3} d x - \int_{\frac{1}{2}}^{1} 20 d x

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

\int_{\frac{1}{2}}^{1} 20 d x = 10

= \frac{3}{2} - 10

Simplify

\frac{3}{2} - 10 : - \frac{17}{2}

= - \frac{17}{2}

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What is the integral from 1/2 to 1 of (x^{-3}-20) ?
The integral from 1/2 to 1 of (x^{-3}-20) is -17/2