SOLUTION: Use the Binomial Theorem to express the following sum in closed form (without using a summation symbol and without using an ellipsis ...):
{{{sum((-1)^k * C(n,k) * 3^(2n-2k)2^(2
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-> SOLUTION: Use the Binomial Theorem to express the following sum in closed form (without using a summation symbol and without using an ellipsis ...):
{{{sum((-1)^k * C(n,k) * 3^(2n-2k)2^(2
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Question 1063425: Use the Binomial Theorem to express the following sum in closed form (without using a summation symbol and without using an ellipsis ...):
Answer by ikleyn(52781) (Show Source):
