Using the Binomial Theorem, find the coefficient x4 in the expansion of x(1 − x)² + x²(1 + 2x)³ + x³ (1 + 3x) 12.

College Algebra
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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter8: Sequences And Series
Section: Chapter Questions
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Using the Binomial Theorem, find the coefficient x4 in the expansion of
x(1 − x)² + x²(1 + 2x)³ + x³ (1 + 3x) 12.
Transcribed Image Text:Using the Binomial Theorem, find the coefficient x4 in the expansion of x(1 − x)² + x²(1 + 2x)³ + x³ (1 + 3x) 12.
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