If (x,y) is a solution of system of equation[2174][xy]=[11], then which of the following is/are correct?

If (x,y) is a solution of system of equation[2174][xy]=[11], then whic

1.	If (x,y) is a solution of system of equation[2174][xy]=[11], then which of the following is/are correct?
Answer» If $(x, y)$ is a solution of system of equation $[\begin{matrix} 2 & 1 7 & 4 \end{matrix}] [\begin{matrix} x y \end{matrix}] = [\begin{matrix} 11 \end{matrix}],$ then which of the following is/are correct?