Teacher/User Name: DEMO Name:__________________________
Practice Problems Period: ________ Date: ____________
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Solve:

1) What is the coefficient of x5y in (x - y)6?






 2) What is the coefficient of x3 in the expansion of (2x + 2)6?
3) What is the coefficient of x3y in (x + y)4?






 4) What is the coefficient of x3y2 in (x - y)5?

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