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5x+2y+z=115 x+2 y+z=-11 2x3yz=172 x-3 y-z=17 7x+y+2z=47 \mathrm{x}+\mathrm{y}+2 \mathrm{z}=-4 A) (0,6,1)(0,6,-1)

Question 111

Multiple Choice

5x+2y+z=115 x+2 y+z=-11
2x3yz=172 x-3 y-z=17
7x+y+2z=47 \mathrm{x}+\mathrm{y}+2 \mathrm{z}=-4


A) (0,6,1) (0,6,-1)
B) (3,0,4) (-3,0,4)
C) (0,6,1) (0,-6,1)
D) (3,0,4) (3,0,-4)

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