reflect the essential things.....
1)focus
2) ne 2 points on da DIRECTRIX.... so u get new eqn of dirctrix....
NOW U CAN GET THE PARABLO BY ITS FUNDAMENTAL DEFINITON
the equation of the curve obtained by reflecting the curve y2=4x about the line x-y+13=0 will be ?????
reflect the essential things.....
1)focus
2) ne 2 points on da DIRECTRIX.... so u get new eqn of dirctrix....
NOW U CAN GET THE PARABLO BY ITS FUNDAMENTAL DEFINITON
or else you can take the mirror of t2,2t along that line and name it x and y and eliminate t! simple :)