Mathematics 2 Deneme Sınavı Sorusu #372899

What is the value of x.y if the matrices A and B are equal?


12

16

18

20

24


Yanıt Açıklaması:

Since A and B are equal matrices then corresponding entries must be equal. This gives x+y=8 and x_y=4. When we solve this system of equations we get x=6 and y=2. Hence x.y=6.2=12

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