Answered: Give the formal proof of one of the…

Give the formal proof of one of the following (your choice), using Mathematical Induction. 1. 7 + 14 + 21 + …+7n = 7n(n + 1) , for n 1. 2

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter2: The Integers

Section2.4: Prime Factors And Greatest Common Divisor

Problem 18E

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Give the formal proof of one of the following (your choice), using Mathematical Induction.

1. 7 + 14 + 21 + …+7n = 7n(n + 1) , for n 1.
2

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