Mathematics, 26.06.2019 19:50 lolomgwtfnvm4

The triangular numbers are defined by the recursive formula t1 = 1, tn = tn - 1 + n, where n ? n and n > 1. what are the first 9 triangular numbers?

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The triangular numbers are defined by the recursive formula t1 = 1, tn = tn - 1 + n, where n ? n and...

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