Question:
In a triangle PQR, the co-ordinates of the points $P$ and $Q$ are $(-2,4)$ and $(4,-2)$ respectively. If the equation of the perpendicular bisector of PR is $2 x-y+2=0$, then the centre of the circumcircle of the $\triangle \mathrm{PQR}$ is :
Correct Option: , 2
Solution:
Solving with $2 x-y+2=0$ will give $(-2,2)$