Question: 4. Prove that the following code snippet outputs 2n+1 - 1: int sumPowers2 (int n) { 0; } int sum = int i while

4. Prove that the following code snippet outputs 2n+1 - 1: int sumPowers2 (int n) { 0; } int sum = int i

4. Prove that the following code snippet outputs 2n+1 - 1: int sumPowers2 (int n) { 0; } int sum = int i while (i (= n) { } = 0; sum = i++; return sum; sum + pow (2,1);

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