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x+y+z=5x+y+z=5 xy+5z=3x-y+5 z=-3 5x+y+z=215 x+y+z=21 A) {(1,4,2)}\{(-1,4,2)\} B) {(2,1,4)}\{(2,-1,4)\} C) {(1,2,4)}\{(-1,2,4)\} D) {(4,2,1)}\{(4,2,-1)\}

Question 34

Multiple Choice

x+y+z=5x+y+z=5
xy+5z=3x-y+5 z=-3
5x+y+z=215 x+y+z=21


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

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