Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set. x + y + z = -1 x - y + 5z = -214x + y + z = -7
A. {(-3, -2, 4)}
B. Cramer's rule does not apply since D = 0; ?
C. {(-3, 4, -2)}
D. {(-2, 4, -3)}
Answer: D
Mathematics
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