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If sum_(r=0)^(n) (n)/(""^(n)C_(0))= sum__(r=0)^(n) (n^(2)-3n+3)/(2.""^(n)C_(r)), then |
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Answer» `N = 1` `:. n/2 = (n^(2)-3n+3)/(2)` or `n = 1,3` |
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