Let us consider the sum, S, of the following terms: r 2 r? 3r 2r pA 2 r 3r 4 r * 2m 3 mm nr" Show that S < for n 2 1 and 0 1 i=1 (1-r)² and 0

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.2: Arithmetic Sequences And Partial Sums
Problem 6ECP: Find the sum of the integers (a) from 1 to 35 and (b) from 1 to 2N.
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Let us consider the sum, S, of the following terms:
r
2 r?
3r
2r
pA 2 r
3r 4 r
* 2m 3 mm
nr"
Show that S <
for n 2 1 and 0 <r<1. [Hint: E-, iri <:
(1-r)3
for n > 1
i=1
(1-r)²
and 0 <r<1.]
N NN
Transcribed Image Text:Let us consider the sum, S, of the following terms: r 2 r? 3r 2r pA 2 r 3r 4 r * 2m 3 mm nr" Show that S < for n 2 1 and 0 <r<1. [Hint: E-, iri <: (1-r)3 for n > 1 i=1 (1-r)² and 0 <r<1.] N NN
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