Which of the following is true for matrices? – McqOptions

MCQOPTIONS

1.	Which of the following is true for matrices?
A.	(AB)<sup>-1</sup> = B<sup>-1</sup>A<sup>-1</sup>
B.	(A<sup>T</sup>) = A
C.	AB = BA
D.	A*I = I
Answer» B. (A<sup>T</sup>) = A

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