If the constant term in the binomial expansion of … is 405, then |k| equals :

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Binomial Theorem

JEE Main 2020 · 6 Sep, Evening shift · Q2922

MathematicsMedium64×since 2002Q2922

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

MathematicsMedium64×since 2002Q2922

If the constant term in the binomial expansion of

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

is 405, then |k| equals :