Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - 1.1 Inductive and Deductive Reasoning - Exercise Set 1.1: 48

Answer

Conjecture is correct.

Work Step by Step

3 + 6+9+12+15+18 = $\frac{18 *7}{2}$ L.H.S = 3 + 6+9+12+15+18 = 63 R.H.S= $\frac{18 *7}{2}$ = $\frac{126}{2}$ = 63
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