5 + 15 + 45 + · · · + 5 · 320. 230 330. .Q.Find b. Find 1 – 3 + 3 -+- +

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 the following ques.

its a single ques with 2 parts

 

2nd image is the solution from the text book.

ас
5.321-5. Let the sum be S, and compute S - 3S = −2S, which causes
terms except 5 and -5.321 to cancel. Then solve for S.
b
1+ 331
231
5/3
This time compute S + S.
Transcribed Image Text:ас 5.321-5. Let the sum be S, and compute S - 3S = −2S, which causes terms except 5 and -5.321 to cancel. Then solve for S. b 1+ 331 231 5/3 This time compute S + S.
100.Find
8. b. Find 1 - 3 + / -
5+15+45+...+5.320
+
230
330.
Transcribed Image Text:100.Find 8. b. Find 1 - 3 + / - 5+15+45+...+5.320 + 230 330.
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