- #1

Euklidian-Space

- 38

- 0

## Homework Statement

If ##f## is an even function then $$\int_{-a}^{0} f = \int_{0}^{a} f$$

## Homework Equations

## The Attempt at a Solution

My attempt was trying to show the upper sum of both integrals were equal.

Take a partition of [-a,0] call it ##P_{1}##, and ##P_{2}## for [0.a].

if we can show that ##U(f,P_{1}) = U(f,P_{2})## I think that might do it. However, i am not sure how to get there