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प्रश्न
If A = `|(1215),(1117)|` and B = `|(2,7),(4,9)|` , find : A + B
उत्तर
A = `|(12 , 15),(11 , 17)|_(2 xx 2)` , B = `|(2,7),(4,9)|_(2xx2)`
A+ B = `|(12 + 2 , 15 + 7), (11 + 4 ,17 + 9)|`
`= |(14 , 22),(15 , 26)|_(2 xx 2)`
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