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For this problem you may wish to use the summation formulae: η η Er==n(n+1) and Σ r=1 Σ r=1 (a) Determine a formula for the series S = n 1 2 =n(2 ān(2n + 1)(n + 1). Σ12rr - 1). r=1 (b) Find the value of n for which n Tr=1. r = 11.

For this problem you may wish to use the summation formulae: η η Er==n(n+1) and Σ r=1 Σ r=1 (a) Determine a formula for the series S = n 1 2 =n(2 ān(2n + 1)(n + 1). Σ12rr - 1). r=1 (b) Find the value of n for which n Tr=1. r = 11.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. For this problem you may wish to use the summation formulae: n Σr= r=1 1 z n(n+1) and (a) Determine a formula for the series S = n n Σr² = 1 n r=1 Σ12r(r— 1). r=1 (b) Find the value of n for which n Σr= r=5 r = 11. ₹n(2n + 1)(n + 1).
Transcribed Image Text:1. For this problem you may wish to use the summation formulae: n Σr= r=1 1 z n(n+1) and (a) Determine a formula for the series S = n n Σr² = 1 n r=1 Σ12r(r— 1). r=1 (b) Find the value of n for which n Σr= r=5 r = 11. ₹n(2n + 1)(n + 1).
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