WBJEE · Maths · Binomial Theorem
Sum of the last 30 coeffivients in the expansion of \((1+x)^{59}\), when expanded in ascending powers of \(x\) is
- A \(2^{59}\)
- B \(2^{58}\)
- C \(2^{30}\)
- D \(2^{29}\)
Answer & Solution
Correct Answer
(B) \(2^{58}\)
Step-by-step Solution
Detailed explanation
Hints: Total terms \(=60\) Sum of first 30 terms \(=\frac{\text { Sum of all the terms }}{2}=\frac{2^{59}}{2}=2^{58}\)
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