1. Suppose a is a positive integer. Simplify the expression a Σ((n + 2)³ +n³-2(n+1)³). n=1 [Explain in words what you are doing at each step. Your answer should not involve a sum, and your method should not involve evaluating a sum.] I

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.7: Problem Solving: Consecutive Integers
Problem 14OE
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1. Suppose a is a positive integer. Simplify the expression
a
Σ((n + 2)³ +n³-2(n+1)³).
n=1
[Explain in words what you are doing at each step. Your answer should not involve a sum, and your
method should not involve evaluating a sum.]
I
[15]
Transcribed Image Text:1. Suppose a is a positive integer. Simplify the expression a Σ((n + 2)³ +n³-2(n+1)³). n=1 [Explain in words what you are doing at each step. Your answer should not involve a sum, and your method should not involve evaluating a sum.] I [15]
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