10. Sequences, Induction, and Probability

Mathematical Induction

7:28 minutes

Problem 21

Textbook Question

Textbook Question# In Exercises 11–24, use mathematical induction to prove that each statement is true for every positive integer n. 1 · 2 + 2 · 3 + 3 · 4 + ... + n(n + 1) = n(n + 1)(n + 2)/3

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