Divide x5−1x^5 - 1x5−1 by x−1x - 1x−1. What is the quotient?
x4−x3+x2−x+1x^4 - x^3 + x^2 - x + 1x4−x3+x2−x+1
x4+x3+x2+x+1x^4 + x^3 + x^2 + x + 1x4+x3+x2+x+1
x3+x2+x+1x^3 + x^2 + x + 1x3+x2+x+1
x4+x+1x^4 + x + 1x4+x+1