Write the coordinates of the orthocentre of the triangle formed by the lines `x^2-y^2=0\ a n d\ x+6y=18.`

Explanation

Sides of triangle are` x^2−y^2=0`


`=>(x−y)=0,x+y=0 and x+6y=18`


Slope of `AB=1`


Slope of `CN=-1`


...