Binomial TheoremHard

Question

Find numerically greatest term in the expansion of (2 + 3 x)9, when x = 3/2.

Options

A.9C6. 29. (3/2)12
B.9C3. 29. (3/2)6
C.9C5. 29. (3/2)10
D.9C4. 29. (3/2)8

Solution

For numerically greatest term r =
⇒ r = 6
Numerically greatest term Tr+1 = 9C6(2)3

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