Question

53. If A is any mxn matrix such that AB and BA are both defined then order of matrix B is an
a) mx n matrix b) n x n matrix c) n x m matrix d) m X m matrix
Option 1
Option 2
Option 3
Option 4​

Answer 1

Answer:

AB′ is defined only when  order of B′ is n×x

B′A is defined only when order of B′ is n×m,i.e.,x=m

∴ order of matrix B is m×n

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

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