Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Let A and B be two 3x3 non-zero real matrices such that AB is a zero matrix. Then
Text Solution
Verified by ExpertsThe correct answer is:
B
AB=0
|AB| = 0

If |A|
0, B = 0 (not possible)
If |B|
0, A = 0 (not possible)
Hence |A| = |B| = 0
AX = 0 has infinitely many solutions
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