If I be a unit matrix then which is true?(A) I2 = 1(B) |I| = 0(C) |I| – InterviewSolution

1.	If I be a unit matrix then which is true?(A) I2 = 1(B) \|I\| = 0(C) \|I\| = 2(D) None
Answer» Answer is (A) I² = 1

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