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The fifth term of a geometric series is 405 and th sixth term is 1215. Calculate the sum of the first nine terms. 147 615 49 205 36 705 b) 8100

The fifth term of a geometric series is 405 and th sixth term is 1215. Calculate the sum of the first nine terms. 147 615 49 205 36 705 b) 8100

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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3) The fifth term of a geometric series is 405 and the sixth term is 1215. Calculate the sum of the first nine terms. a) 147 615 c) 49 205 b) 8100 36 705
Transcribed Image Text:3) The fifth term of a geometric series is 405 and the sixth term is 1215. Calculate the sum of the first nine terms. a) 147 615 c) 49 205 b) 8100 36 705
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