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Matrix A has m rows and n + 5 columns, m...

Matrix A has m rows and n + 5 columns, matrix B has m rows and 11 - n columns, If both AB and BA exist, then a)AB and BA are square matrix b)AB and BA are of order `8 xx 8 and 3 xx 13` respectively. c)AB = BA d)None of these

A

AB and BA are square matrix

B

AB and BA are of order `8 xx 8 and 3 xx 13` respectively.

C

AB = BA

D

None of these

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The correct Answer is:
A
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