Let A and B be two 3 3 non-zero real matrices such that AB is a zero matrix. Then

JEE Main 2022 Mathematics question

Let A and B be two non-zero real matrices such that AB is a zero matrix. Then

Answer: (2)

AB = 0 gives |A||B| = 0. If |A| , then , which is not possible, and if |B| then A = 0,

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Question ID VK-035138