Question
Asked Aug 20, 2019
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Use Cramer's rule to solve the following system of equations. If D = 0, use another method to solve the system.
5x − y = 13
3x + 2z = 11 
4y + 3z = 11
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Expert Answer

Step 1

Consider the matrix as,

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5- 0 0 2 4 4 3

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Step 2

First compute the value of D.

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0 2 3 2 1 0 3 3 0 +0 0 4 D 5 4 3 =5(0-8)+1(9-0)+0 =-409 =-31 0

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Step 3

Since the value of D is not equal to zero, use the Cramer’s rule and solve f...

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13 -0 D 11 0 2 11 4 3 0 2 13 11 2 1 11 3 11 0 0 11 4 4 3 =13 (0-8)+1(33 22)+0 --104+11 =-93

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