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# Concept Checks for Binomial Coefficients

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1. Determine the binomial coefficient for the fifth term in the expansion of (x+y)^9

Write the binomial expansion for each expression:

1. (a-b)^7

Write the indicated term of each binomial expansion:

1. Twelfth term of (2x+y^2)^16

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The expert examines concept checks for binomial coefficients.

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Hi,

1. Determine the binomial coefficient for the fifth term in the expansion of (x+y)^9
Solution
(x + y)9 = ...

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