1.2+2.3+3.4+... +n(n+1)=n(n+1)(n+2)/3
Matematika
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Pertanyaan
1.2+2.3+3.4+... +n(n+1)=n(n+1)(n+2)/3
1 Jawaban
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1. Jawaban Jeslyn11trendya
1.2 + 2.3 + 3.4 + . . . + n(n+1) = n(n+1)(n+2)/3 = n≥1
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