The positive value of λ for which the... | Binomial Theorem

JEE MAIN 2019

10-01-2019 S2

Question

The positive value of $\lambda$ for which the co-efficient of $x^2$ in the expression $x^2\left(\sqrt{x}+\frac{\pi}{x^2}\right)^{10}$ is 720 , is

Select the correct option:

$\sqrt{5}$

$2 \sqrt{2}$

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Solution

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