The image of the point (-8,12) with respect to the line mirror 4x+7y+13=0 is (a) (16,-2) (b) (-16,2) (c) (16,2) (d) (-16,-2)
Answer is option d. (-16,-2)
Explanation:-
Find the condition that one of the lines ax2+2hxy+by2=0 may coincide with one of the lines a1x2+2h1xy+b1y2=0.