1. Use the binomial theorem (more than once) to expand (a+b+c)³.2. What is the coefficient of r³y in the expansion of (2r-y+5)8?3. What is the coefficient of r³y²22 in the expansion of (x+y+22)⁹?

Note: Since you have asked multiple questions, we will solve the first question for you. If you want…

Answered: Use the binomial theorem (more than…

Math

Advanced Math

Use the binomial theorem (more than once) to expand (a+b+c)³.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 33CT

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Question

1. Use the binomial theorem (more than once) to expand (a+b+c)³.
2. What is the coefficient of r³y in the expansion of (2r-y+5)8?
3. What is the coefficient of r³y²22 in the expansion of (x+y+22)⁹?

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