Grade 12th passAnalytical Geometry
if one of the bisectors of the angle between the pair of st. lines ax^2+2hxy+by^2 coincide with one of the st.lines Ax^2+2Hxy+By^2=0,then show that, h^2(A+B)^2= {2 hH-B(a-b)}{2hH+A(a-b)}
if one of the bisectors of the angle between the pair of st. lines ax^2+2hxy+by^2 coincide with one of the st.lines Ax^2+2Hxy+By^2=0,then show that, h^2(A+B)^2= {2 hH-B(a-b)}{2hH+A(a-b)}
