WBJEE · Maths · Binomial Theorem
The coefficient of \(x^{3}\) in the infinite series expansion of \(\frac{2}{(1-x)(2-x)},\) for \(|x| < 1,\) is
- A \(-\frac{1}{16}\)
- B \(\frac{15}{8}\)
- C \(-\frac{1}{8}\)
- D \(\frac{15}{16}\)
Answer & Solution
Correct Answer
(B) \(\frac{15}{8}\)
Step-by-step Solution
Detailed explanation
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