The positive value of λ for which the co-efficient of x² in the expression x² (x + (λ)/(x²))¹⁰ is 720, is -

Binomial Theorem and Its Simple Applications: JEE Main 2019 Mathematics question

JEE Main 2019 · 10 Jan, Evening shift · Q2920

JEE Main 201910 Jan, Evening shiftMathematicsMediumBinomial Theorem and Its Simple Applications131× since 2002

The positive value of

\lambda

for which the co-efficient of x² in the expression x²

{\left( {\sqrt x + {\lambda \over {{x^2}}}} \right)^{10}}

is 720, is -

JEE Main 2019 · 10 Jan, Evening shift · Q2920

JEE Main 201910 Jan, Evening shiftMathematicsMediumBinomial Theorem and Its Simple Applications131× since 2002

The positive value of

\lambda

for which the co-efficient of x² in the expression x²

{\left( {\sqrt x + {\lambda \over {{x^2}}}} \right)^{10}}

is 720, is -