If 3x + 2y + z = 0, x + 4y + z = 0, 2x + y + 4z = 0 be a system of equations, then….

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If 3x + 2y + z = 0, x + 4y + z = 0, 2x + y + 4z = 0 be a system of equations, then

Options :-

1. it is inconsistent
2. it has only the trivial solution x = 0, y = 0, z = 0
3. it can be reduced to a single equation and so a solution does not exist
4. determinant of the matrix of coefficients is zero

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