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For the system of equations x + y + z = 6 x + 2y +  z = 10 x + 3y + 5z =  , which one of the following is NOT true?

1. System has no solution for  = 3,  = 24
2. System has a unique solution for  = –3,  = 14
3. System has infinitely many solutions for  = 3,  = 14
4. System has unique solution for  = 3,  14

Correct answer: System has unique solution for  = 3,  14

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