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If $A$ and $B$ are square matrices of equal degree,then which one is correct among the following
(A) A+B=B+A
(B) A+B=A-B
(C) A-B=B-A
(D) AB=BA
jeemain
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Nov 20, 2013
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sreemathi.v
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Aug 22, 2014
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1 Answer
If $A$ & $B\rightarrow$ Square matrices of same degree then matrices A and B can be added or subtracted or multiplied.
By algebra of matrices the only option is $A+B=B+A$
Hence (a) is the correct answer.
answered
Nov 20, 2013
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sreemathi.v
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