1.

If A and B are two matrices such that AB=B and BA=A , then `A^2+B^2=`A. 2 ABB. 2 BAC. A + BD. AB

Answer» Correct Answer - C
Proceeding as in Example 2, we have
`A^2=Aand B^2=B`
`:. A^2+B^2=A+B`


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