Answers Algebra II - MA3111 CR Cumulative Exam — Cumulative examQuestion 15

15

QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 15 • Algebra II - MA3111 CR

What is the binomial expansion of (x + 2y)7?

Answer

A

2x7 + 14x6y + 42x5y2 + 70x4y3 + 70x3y4 + 42x2y5 + 14xy6 + 2y7

B

x7 + 14x6y + 42x5y2 + 70x4y3 + 70x3y4 + 42x2y5 + 14xy6 + y7

C

x7 + 7x6y + 21x5y2 + 35x4y3 + 35x3y4 + 21x2y5 + 7xy6 + y7

D

x7 + 14x6y + 84x5y2 + 280x4y3 + 560x3y4 + 672x2y5 + 448xy6 + 128y7

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