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## Homework Statement

There is a problem in physics. i need to calculate the definite integral:

$$y=\int^{10}_2 \frac{13.2}{x^{1.4}}$$

## Homework Equations

$$\int x^{-a}=\frac{1}{-a+1}x^{-a+1}$$

## The Attempt at a Solution

$$y=\int^{10}_2 \frac{13.2}{x^{1.4}}=13.2\int^{10}_2 x^{-1.4}=13.2 \frac{1}{-0.4}x^{-0.4}|^{10}_2=-0.63$$

According to a graph i made with a graph software it came out -11.9, see picture