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Find the third term in the expansion of (a - 3b)³. X Did you use the binomial theorem which expands a binomial sum (x + y)" by adding the terms Cx -y for r from 0 to n? Substitute the values for x, y, n, and r into the expression and evaluate. Additional Materials Tutorial

Find the third term in the expansion of (a - 3b)³. X Did you use the binomial theorem which expands a binomial sum (x + y)" by adding the terms Cx -y for r from 0 to n? Substitute the values for x, y, n, and r into the expression and evaluate. Additional Materials Tutorial

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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Find the third term in the expansion of (a - 3b)³. X Did you use the binomial theorem which expands a binomial sum (x + y)" by adding the terms Cx -y for r from 0 to n? Substitute the values for x, y, n, and r into the expression and evaluate. Additional Materials Tutorial
Transcribed Image Text:Find the third term in the expansion of (a - 3b)³. X Did you use the binomial theorem which expands a binomial sum (x + y)" by adding the terms Cx -y for r from 0 to n? Substitute the values for x, y, n, and r into the expression and evaluate. Additional Materials Tutorial
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