If the pairs of line represented by the equation (ax^2+2hxy+by^2+2gx+2fy+c=0) intersect each other on y axis which is not origin then which of following is/are true (a) g^2=ac(b) f^2=bc(c) 2fgh=bg^2+ch^2(d) hc=gf
If the pairs of line represented by the equation (ax^2+2hxy+by^2+2gx+2fy+c=0) intersect each other on y axis which is not origin then which of following is/are true
(a) g^2=ac
(b) f^2=bc
(c) 2fgh=bg^2+ch^2
(d) hc=gf