Kuis +50: Dapet darimana 1² + 2² + 3² + .... + n² = (n(2n+1)(n+1))/6 Beri penjelasan!.... Question from @KLF

April 2022 0 29 Report

Kuis +50: Dapet darimana
1² + 2² + 3² + .... + n² =
(n(2n+1)(n+1))/6
Beri penjelasan!

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