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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
the condition for this eqn to be a pair of sl is…...............(1)now both the straight line is intersecting on y axisso x= 0Put x= 0 insoNow for this Quadratic y1 = y2 as there is a unique pointSo D=0SoHence,
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