Cody

Problem 2578. Sum of series IV

Created by Grzegorz Knor in Community

What is the sum of the following sequence:

 Σ(-1)^(k+1) (2k-1)^2 for k=1...n

for different n?

Solution Stats

65.1% Correct | 34.9% Incorrect
Last solution submitted on May 19, 2019

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