Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + y + z = -5 x - y + 2z = -82x + y + z = -4
A. Cramer's rule does not apply since D = 0; ?
B. {(-5, -1, 1)}
C. {(1, -1, -5)}
D. {(-5, 1, -1)}
Answer: C
Mathematics
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