KCET · Maths · Binomial Theorem
If the number of terms in the binomial expansion of \((2 x+3)^{3 n}\) is 22 , then the value of \(n\) is
- A \(8\)
- B \(6\)
- C \(7\)
- D \(9\)
Answer & Solution
Correct Answer
(C) \(7\)
Step-by-step Solution
Detailed explanation
\((2 \mathrm{x}+3)^{3 \mathrm{n}} \rightarrow 3 \mathrm{n}+1=22 \rightarrow \mathrm{n}=7\)
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