Q. 3 C4.0( 4 Votes )

# Show that AB = BA

Given : and Matrix A is of order 3 3 and Matrix B is of order 3 3

To show : matrix AB = BA

Formula used : If A is a matrix of order a b and B is a matrix of order c d ,then matrix AB exists and is of order a d ,if and only if b = c

If A is a matrix of order a b and B is a matrix of order c d ,then matrix BA exists and is of order c b ,if and only if d = a

For matrix AB, a = 3,b = c = 3,d = 3 ,thus matrix AB is of order 3 3

Matrix AB = = Matrix AB = = Matrix AB = For matrix BA, a = 3,b = c = 3,d = 3 ,thus matrix AB is of order 3 3

Matrix BA = Matrix BA = Matrix BA = Matrix BA = Matrix AB = Matrix BA = Rate this question :

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