If the constant term in the binomial expansion of (x - k/(x²))¹⁰ is 405, then |k| equals:

Binomial Theorem and Its Simple Applications: JEE Main 2020 Mathematics question

JEE Main 2020 · 6 Sep, Evening shift · Q2922

JEE Main 20206 Sep, Evening shiftMathematicsMediumBinomial Theorem and Its Simple Applications131× since 2002

If the constant term in the binomial expansion of

{\left( {\sqrt x - {k \over {{x^2}}}} \right)^{10}}

is 405, then |k| equals :

JEE Main 2020 · 6 Sep, Evening shift · Q2922

JEE Main 20206 Sep, Evening shiftMathematicsMediumBinomial Theorem and Its Simple Applications131× since 2002

If the constant term in the binomial expansion of

{\left( {\sqrt x - {k \over {{x^2}}}} \right)^{10}}

is 405, then |k| equals :