Question: What is the sum: 2^k+1 + 2^k+2 for k > 0? 2^k(2^k+1 - 4) 2^k+1(2^k - 1) 2^2k+1 - 1 2^2k+1 - 1

What is the sum: 2^k+1 + 2^k+2 for k > 0? 2^k(2^k+1 - 4) 2^k+1(2^k - 1) 2^2k+1 - 1 2^2k+1 - 1

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