What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
Additional test cases have been added.
Please check your test suites, results must have opposite signs.
Thanks! The problem now is reformulated;)
Who Has the Most Change?
Return 'on' or 'off'
Given a 4x4 matrix, swap the two middle columns
07 - Common functions and indexing 6
Sum of series VII
Sum of series I
Sum of series VI
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