Question: 7. Use the binomial theorem to expand the following : a) (2a + b) 6 b) (2c 3d) 4 c) Find the coefficient of x

7. Use the binomial theorem to expand the following:

a) (2a + b)6

b) (2c 3d)4

c) Find the coefficient of x9 in the expansion of (2 +x3)10

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