JEE Main 2026 — Matrices Question with Solution
JEE Main 2026 (22 January Shift 1)
Question
Let A be a matrix such that . If and are non-negative integers, then is equal to
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Show full solutionCorrect answer: 18
Correct answer
18
Step-by-step explanation
is skew-symmetric: .
From : , .
From : , .
, .
For matrix: .
.
.
. .
From : , .
From : , .
, .
For matrix: .
.
.
. .
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This is a previous-year question from JEE Main 2026, covering the Matrices chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.