Q.

If A and B are two matrices such that AB and A+B are both defined then A and B are

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a

Rectangular matrices of same order 

b

Square matrices of the same order 

c

Square matrices of different order 

d

Rectangular matrices of different order

answer is A.

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Detailed Solution

If A and B are square matrices of same order then only AB and A+B are both will be defined.

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