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प्रश्न
If A =`|(1, 9 , 4),(5 , 0 , 3)|` , find negative A
उत्तर
A =`|(1, 9 , 4),(5 , 0 , 3)|_(2 xx 3)`
Negative A = `|(-1 , -9 , -4),(-5 , 0 , -3)|_(2 xx 3)`
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