Test Index

Matrices and Determinants

Section: Mathematics

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Question : 3

Total: 56

Consider the matrix P=(

2	0	0
0	2	0
0	0	3

) Let the transpose of a matrix X be denoted by XT. Then the number of 3×3 invertible matrices Q with integer entries, such that Q−1=QT and PQ=QP,

[JEE Adv 2025 P1]

32
8
16
24

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