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;)
Arrange vector in ascending order
Reverse the elements of an array
find the surface area of a cube
Sum of series II
Sum of series III
Sum of series I
Sum of series VI
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