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If C_(r ) denotes the binomial coefficient .^(n)C_(r+) then (-1) C_(0)^(2) + 2C_(1)^(2) + 5C_(2)^(2) + ….. + (3n - 1) C_(n)^(2) is equal to |
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Answer» `(3n - 2) .^(2n)C_(N)` |
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