# Fourier Series Proof

Please see the attached file for full problem description.

Q = e^ (i n pi alpha) + e^ (-i n pi alpha)

and Q = 0. How can Q be two different things?

Â© BrainMass Inc. brainmass.com February 24, 2021, 2:30 pm ad1c9bdddfhttps://brainmass.com/math/fourier-analysis/fourier-series-proof-24596

#### Solution Summary

The proof is centered on the relations Q = e^ (i n pi alpha) + e^ (-i n pi alpha) and Q =0. The solution is well explained.

$2.19