November 2019 1 49 Report
Buktikan dengan induksi matematika :

1. 1 + 4 + 7 +...+ (3n - 2) = n (3n - 1)/ 2
2. satu kuadrat + tiga kuadrat + lima kuadrat + ... + ( dua n - satu ) kuadrat =
n (2n - 1) (2n + 1)/ 3


tolong ya guys ​

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