How many terms are in the binomial expansion of open paren 3 x plus 5 close paren to the 9th power ?
Answer
A
8
B
9
C
10
D
11
Explanation
A binomial raised to the 9th power has one term for each exponent of the first term from 9 down to 0. That gives 9 + 1 = 10 terms, so the correct choice is 10.
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