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प्रश्न
If `[2 1 3]([-1,0,-1],[-1,1,0],[0,1,1])([1],[0],[-1])=A` , then write the order of matrix A.
योग
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उत्तर
Consider,
`(2 1 3)([-1,0,-1],[-1,1,0],[0,1,1])([1],[0],[-1])=A` ,
Order of matrix
\[\left( 2 1 3 \right)\] is 1 × 3.
`([-1,0,-1],[-1,1,0],[0,1,1])` is 3 × 3
Order of matrix
`([1],[0],[-1])` is 3 × 1
Therefore, order of
`[2 1 3]([-1,0,-1],[-1,1,0],[0,1,1])([1],[0],[-1])` is 1 × 1.
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