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Matrices — Mathematics STD 10 — Question

ICSE BoardEnglish MediumSTD 10MathematicsMatrices4 Marks
Question
If $A=\left[\begin{array}{ll}3 & 0 \\ 5 & 1\end{array}\right]$ and $B=\left[\begin{array}{cc}-4 & 2 \\ 1 & 0\end{array}\right]$, find $A^2-2 A B+B^2$.
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