# Question: q1 fill in the blanks binomial coefficients what is the...

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Q1. Fill in the Blank(s) Binomial Coefficients What is the coefficient of a3b6 in the expression of (a + b)9?

Q2. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x4y6 in the expression of (x + y)10?

Q3. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x4y14 in the expression of (x + y2)11?

Q4. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x5y12 in the expression of (x + y3)9?

Q5. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x8y21 in the expression of (x2 + y3)11?

Q6. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x9y3 in the expression of (x3 – 3y)6?

Q7. Fill in the Blank(s) Binomial Coefficients What is the coefficient of x5y8 in the expression of (2x + y)13? (do not show the separation comma)