If two matrices A=[021−1] and B=[xy00] are such that AB=O. Then (x+1 – InterviewSolution

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1.	If two matrices A=[021−1] and B=[xy00] are such that AB=O. Then (x+1,y−2) is
Answer» If two matrices $A = [\begin{matrix} 0 & 2 1 & - 1 \end{matrix}]$ and $B = [\begin{matrix} x & y 0 & 0 \end{matrix}]$ are such that $A B = O .$ Then $(x + 1, y - 2)$ is

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