Answers

2014-04-11T08:18:39+05:30
(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)(x+1)(x-1)
=(x+1)^9 (x-1)^9

1 5 1
2014-04-11T08:53:21+05:30
(X+1)^9*(x-1)^9=(x^2-1)^9
2 5 2