3. a) Determine x so that 2x, 3x +1, and x² + 2 are the first three terms of an arithmetic sequence. b) Determine the sum of the first 10 terms of the sequence.
3. a) Determine x so that 2x, 3x +1, and x² + 2 are the first three terms of an arithmetic sequence. b) Determine the sum of the first 10 terms of the sequence.
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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Transcribed Image Text:3. a) Determine x so that 2x, 3x +1, and x² + 2 are the first three terms of an arithmetic
sequence.
b) Determine the sum of the first 10 terms of the sequence.
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