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प्रश्न
If A = `|(15,7),(13,8)|` and B = `|(16 , 12),(27,11)|` , find matrix X such that A + X
उत्तर
A = `|(15,7),(13,8)|_(2 xx 2)` B = `|(16 , 12),(27,11)|_(2 xx 2)`
A + X = B
X = B - A
∴ X = `|(16 , 12),(27,11)| - |(15,7),(13,8)| = |(1 , 5),(14 , 3)|_(2 xx 2)`
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