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How many terms are in the binomial expansion of (3x 5)9?

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4 votes

the answer is C , 10

User Sorashi
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2 votes

Answer: The number of terms in the binomial expansion of
(3x-5)^9 is 10.

Step-by-step explanation: We are given to find the number of terms in the following binomial expansion:


B=(3x-5)^9~~~~~~~~~~~~~~~~~~~~~(i)

We know that

the number of terms in the binomial expansion of
(x+y)^pis given by


N_t=p+1.

In the given binomial expansion (i), we have


p=9.

Therefore, the number of terms in the given binomial expansion will be


N_t=p+1=9+1=10.

Thus, there are 10 terms in the binomial expansion of
(3x-5)^9.

User SandeepKumar
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