Question

If A×B = B× A,(where A and B are general matrices) then

A = ϕ. (B) A = B’.

(C) B = A. (D) A’ = B.​

Answer 1

Answer:

option c is correct

Explanation:

if A=B

THEN

A×A = A×A = A²

or B×B =B×B=B²

which is true either we premultiply or postmultiply