Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } 2 x - y - 5 z = - 3 \\3 x + 5 y + 8 z = 24 \\8 x - 8 y + z = 1\end{array}$$

question 35

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } 2 x - y - 5 z = - 3 \\3 x + 5 y + 8 z = 24 \\8 x - 8 y + z = 1\end{array}$$

• A) \(\{ ( 2,1,2 ) \}\)
• B) \(\{ ( - 2,2,4 ) \}\)
• C) \(\{ ( 2,2,1 ) \}\)
• D) \(\varnothing\)

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