a) Determine the coefficient of x^3*y^4 in the expansion of (2x+y)^12. b) Determine the coefficient of x^2*y^3*z^2 in the expansion of (2x-y+3z)^7.

a) Determine the coefficient of x^3y^4 in the expansion of (2x+y)^12. b) Determine the coefficient of x^2y^3*z^2 in the expansion of (2x-y+3z)^7.

Intermediate Algebra

10th Edition

ISBN:9781285195728

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

ChapterA: Appendix A Binomial Expansions

Section: Chapter Questions

Problem 32PE

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Question

a) Determine the coefficient of x^3*y^4 in the expansion of (2x+y)^12.

b) Determine the coefficient of x^2*y^3*z^2 in the expansion of (2x-y+3z)^7.

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