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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Matrices
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Q)

If $A$ and $B$ are two matrices such that $AB=B$ and $BA=A$ then $A^2+B^2=$

$\begin{array}{1 1}(A)\;2AB&(B)\;2BA\\(C)\;A+B&(D)\;AB\end{array}$

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