3. Assume the sequence of positive numbers (sn) increases monotonically to infinity. Prove that Sn+1 Sn Sn+1 Sn Σ Σ <∞. || Sns2 n+1 Sn n n
3. Assume the sequence of positive numbers (sn) increases monotonically to infinity. Prove that Sn+1 Sn Sn+1 Sn Σ Σ <∞. || Sns2 n+1 Sn n n
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 74E
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Step 1
Let be a sequence of positive numbers increase monotonically to infinity.
Now,
By
Step 2
since nth term of this series is non zero so, it is not converging series.
is not converging series.
since is sequence of positive terms and monotonically increasing sequence therefore is a positive term sequence of non repeated numbers.
is divergent and diverge to
hence
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