Answers

2016-02-26T20:19:21+05:30
(n+2)! = (n+2)(n+1)n!

Thus (n+2)(n+1)n! = 2550*n!
Or, (n+2)(n+1) = 2550
Or, (n+2)(n+1) = 51 * 50
Or, (n+2)(n+1) = (49+2)(49+1)

Thus n = 49
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