Mathematics · 2020
JEE Main · 3 September 2020, Shift 2 · Q55
If the term independent of x in the expansion of (3/2 x^2-1/(3 x))^9 is k, then 18 k is equal to:
If the term independent of $\displaystyle x$ in the expansion of $\displaystyle \left(\frac{3}{2} x^2-\frac{1}{3 x}\right)^9$ is k , then $\displaystyle 18$ k is equal to :
Official answer
(1)
$\displaystyle 7$
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.