\left\{ \begin{array} { c } { 4 y - 2 x = - 12 } \\ { 2 y - x = 2 } \e – InterviewSolution

1.	\left\{ \begin{array} { c } { 4 y - 2 x = - 12 } \\ { 2 y - x = 2 } \end{array} \right.
Answer» 4y-2x=-12...... (1)2y-x=2......(2)dividing eq.1 by 22y-x=-6since discriminant of coeff.=2×(-1)-2×(-1)=0so the given set of eq.s has no sol.

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