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प्रश्न
Evaluate the following :
`|(1 , 1),(2 , 3)| |(2 , 1),(1 , 4)|`
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उत्तर
`|(1 , 1),(2 , 3)|_(2 xx 2) |(2 , 1),(1 , 4)|_(2 xx 2)`
`= |(2 + 1 , 1 + 4),(4 + 3 , 2 + 12)|`
`= |(3 , 5),(7 , 14)|_(2 xx 2)`
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