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Bess [88]
3 years ago
14

Find the coefficient of the x7y2term in the binomial expansion of (x+y)^9

Mathematics
1 answer:
statuscvo [17]3 years ago
8 0

Answer:

36

Step-by-step explanation:

first, see the formula in the attached picture.

now, by applying that formula we get :

the coefficient of the x7y2 is :

9C7 = 36  (you can either use a calculator or just the algebraic formula)

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