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Evaluate the Determinant
-  X+y+z=2Xy+4z=12x+y+z=1\text { } \begin{array}{r}X+y+z=-2 \\X-y+4 z=-1 \\2 x+y+z=-1 \\\end{array}

Question 128

Multiple Choice

Evaluate the determinant
-  X+y+z=2Xy+4z=12x+y+z=1\text { } \begin{array}{r}X+y+z=-2 \\X-y+4 z=-1 \\2 x+y+z=-1 \\\end{array}


A) (-1,-2,1)
B) (1,1,2) (-1,1,-2)
C) (1,2,1) (1,-2,-1)
D) (6,2,1) (6,-2,-1)

Correct Answer:

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