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1. Find the sum of the first k terms of the following sequences for the given value of k. a. an = 3 – 3n , k = 315 b. an 2(3)" , k = 6 2. Use polynomial fitting to find a closed formula for the sequence (an)n e N: -2, –1,4,13,26, .

1. Find the sum of the first k terms of the following sequences for the given value of k. a. an = 3 – 3n , k = 315 b. an 2(3)" , k = 6 2. Use polynomial fitting to find a closed formula for the sequence (an)n e N: -2, –1,4,13,26, .

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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Please answer question 1  with details on how to do it. Thank you.

1. Find the sum of the first k terms of the following sequences for the given value of k. a. an = 3 – 3n , k = 315 b. an = 2(3)" , k = 6 2. Use polynomial fitting to find a closed formula for the sequence (an)n e N: -2,–1,4,13,26, ...
Transcribed Image Text:1. Find the sum of the first k terms of the following sequences for the given value of k. a. an = 3 – 3n , k = 315 b. an = 2(3)" , k = 6 2. Use polynomial fitting to find a closed formula for the sequence (an)n e N: -2,–1,4,13,26, ...
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