Mathematics · 2023
JEE Main · 29 January 2023, Shift 1 · Q89
Let the coefficients of three consecutive terms in the binomial expansion of (1+2 x)^n be in the ratio 2: 5: 8. Then the coefficient of the term,…
Let the coefficients of three consecutive terms in the binomial expansion of $\displaystyle (1+2 x)^n$ be in the ratio $\displaystyle 2: 5: 8$. Then the coefficient of the term, which is in the middle of these three terms, is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
1120
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.