Or search by topic
Do you know any values of a and b that satisfy a^b=1?
If a=1, what could b be?
If a=-1, what could b be?
If a=2 what must b be?
Find S_r = 1^r + 2^r + 3^r + ... + n^r where r is any fixed positive integer in terms of S_1, S_2, ... S_{r-1}.