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What is the coefficient of the x6y3 term in the expansion of (x + 2y)9? a)84 b)168 c)336 d)672

What is the coefficient of the x6y3 term in the expansion of (x + 2y)9? a)84 b)168 c)336 d)672
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1 vote
What is the coefficient of the x6y3 term in the expansion of (x + 2y)9?

a)84

b)168

c)336

d)672

User Kushagra Sharma
by
7.8k points

2 Answers

6 votes
please look to the attachment   
What is the coefficient of the x6y3 term in the expansion of (x + 2y)9? a)84 b)168 c-example-1
What is the coefficient of the x6y3 term in the expansion of (x + 2y)9? a)84 b)168 c-example-2
User Nick Campion
by
7.6k points
2 votes

The answer is d.) 672

User RWDJ
by
8.4k points
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