Mathematics 2 Deneme Sınavı Sorusu #487183

What is the solution for the system below?



Yanıt Açıklaması:

We will use the Cramer’s rule. The system above can be written as

for

and

The solution of this system of linear equations is

where

Now calculating determinants with the Sarrus’ rule we get

Hence our solution becomes

The correct answer is D.

 

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