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For n e N, prove that sigma k=1 n (-1)^k.k^2=(-1)^n

Saluranedukasi
Saluranedukasion 2024-04-12T11:46:43
For n e N, prove that sigma k=1 n (-1)^k.k^2=(-1)^n
source: https://youtu.be/Mr8azyLlCb8

For n e N, prove that sigma k=1 n (-1)^k.k^2=(-1)^n (n(n+1))/2.

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