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If the system of linear equations x + ...

If the system of linear equations
`x + y + 3z = 0 `
` x + 3y + k^2 z = 0`
`3x + y + 3z = 0`
has a non -zero solution (x, y, -z) for some k `in ` R then ` x + (y/z)` is equal to :

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