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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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