Hey guys, I'm just totally stumped by this Q
Use mathematical induction to prove that for integer n, n > or = to 2,
(x+1)^n - nx - 1 is divisible by x^2.
It's not a Homework problem.
Attempt at solution:
1) Prove for n =2,
(x+1)^2 - 2x - 1 = x^2 + 2x +1 - 2x -1 = x^2
2) Assume...