
Grade 12th passAlgebra
Trough a point A on X axis a straight line is drawn parallel to the yaxis so as to meet the pair of straight lines ax^2+2hxy+by^2=0 at B and C . if AB=BC then - h^2=4ab
- 8h^2=9ab
- 9h^2=8ab
- 4h^2=ab
Trough a point A on X axis a straight line is drawn parallel to the yaxis so as to meet the pair of straight lines ax^2+2hxy+by^2=0 at B and C . if AB=BC then
- h^2=4ab
- 8h^2=9ab
- 9h^2=8ab
- 4h^2=ab






