Mathematics · 2023
JEE Main · 31 January 2023, Shift 2 · Q90
The coefficient of x^-6, in the expansion of ((4 x)/5+5/(2 x^2))^9, is ____.
The coefficient of $\displaystyle x^{-6}$, in the expansion of $\displaystyle \left(\frac{4 x}{5}+\frac{5}{2 x^2}\right)^9$, is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
5040
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.