SOLUTION: What is the coefficient of the third term in the expansion of (2a-b)^5? a. –80 b. 32 c. 40 d. 80 Am I correct to say that the answer is d?

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Question 986680: What is the coefficient of the third term in the expansion of (2a-b)^5?
a. –80
b. 32
c. 40
d. 80
Am I correct to say that the answer is d?

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Yes, 5 choose 2 is 10 times 2 cubed is 10 times 8 is 80.

John

My calculator said it, I believe it, that settles it