Page 1 of 1

Find ∑r=1(ar+b) ωr-1 if ω is a complex nth root of unity.

Posted: Thu Jul 14, 2022 9:41 am
by answerhappygod
a) n(n+1)a/2
b) nb/(1-n)
c) na/(ω-1)
d) n(n+1)a/(ω-1)