Mathematics · 2025
JEE Main · 24 January 2025, Shift 2 · Q8
Let A =[ a_ij ] be a square matrix of order 2 with entries either 0 or 1. Let E be the event that A is an invertible matrix. Then the probability…
Let $\displaystyle \mathrm{A}=\left[\mathrm{a}_{\mathrm{ij}}\right]$ be a square matrix of order $\displaystyle 2$ with entries either $\displaystyle 0$ or $\displaystyle 1$ . Let E be the event that A is an invertible matrix. Then the probability P(E) is :
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{3}{8}$
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JEE Main 2025 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.