If rth and (r + 1)th term in the expansion of (1 + x) n are equal, then n =
Mathematics · JEE Advanced · NTA Exams — Binomial Theorem And Its Simple Applications
If rth and (r + 1)th term in the expansion of (1 + x)n are equal, then n =
- \(\frac{(1+x) r-x}{4 x}\)
- \(\frac{(1+x) r-x}{3 x}\)
- \(\frac{(1+x) r-x}{x}\)
- \(\frac{(1+x) r-x}{r}\)
Answer
(C) (1+x) r-x x
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