The positive value of for which the co-efficient of x 2 in the expression x^ 2 ( x + x^ 2…
Mathematics · JEE Main · NTA Exams — Binomial Theorem And Its Simple Applications
The positive value of λ for which the co-efficient of x2 in the expression \(x^{2}\left(\sqrt{x}+\frac{\lambda}{x^{2}}\right)^{10}\) is 720, is-
- 4
- \(2 \sqrt{2}\)
- 3
- \(\sqrt{5}\)
Answer
(B) 2 2
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