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JEE Main 23 Jan 2026 Shift 2 Paper Solved Paper

Section: Mathematics

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Question : 25 of 75

Marks: +1, -0

Let A=[

0	2	−3
−2	0	1
3	−1	0

] and B be a matrix such that B(I−A)=I+A. Then the sum of the diagonal elements of BTB is equal to ____

[23 jan 2026 Shift 2]

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