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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=[
02−3
−201
3−10
] 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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