MathDB
2014 BMT Team 11

Source:

January 6, 2022
algebra

Problem Statement

Suppose that x10+x+1=0x^{10} + x + 1 = 0 and x100=a0+a1x+...+a9x9x^100 = a_0 + a_1x +... + a_9x^9. Find a5a_5.