MathsJEE Main 4 Apr 2026, Shift 2·Q9·MCQ·Easy–moderate

Binomial Theorem · Term independent of x

In the expansion of

\left(9x - \dfrac{1}{3\sqrt{x}}\right)^{18}

x > 0

, if the term independent of

x

(221)k

. then

k

is equal to:

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