[" If the angle between the lines given by "ax^(2)+2hxy],[+by^(2)=0" is equal to the angle between lines "],[" given by "2x^(2)-5xy+3y^(2)=0," then "]

If the angle between the lines represented by ax^(2) + 2hxy + by^(2) = 0 is equal to the angle between the lines 2x^(2) - 5xy + 3y^(2) = 0 , then show that 100(h^(2)-ab) = (a+b)^(2) .

The acute angle between the lines given by x^(2)+2(cottheta)xy+y^(2)=0 is

The acute angle between the lines given by x^(2)+2(cosectheta)xy+y^(2)=0 is

If the angle between the lines ax^(2)+xy+by^(2)=0 is 45^(@) , then

If one of the lines given by ax^(2)+2hxy+by^(2)=0 is 4x-5y=0 then

If the acute angle between the lines ax^(2)+2hxy+by^(2)=0 is congruent to the acute angle between the lines 3x^(2)-7xy+4y^(2)=0 , then

The angle between the lines ay^(2)-(1+lambda^(2)))xy-ax^(2)=0 is same as the angle between the line:

The angle between the lines 3x^(2)+7xy+2y^(2)+5x+5y+2=0 is given by

The angle between the lines 3x^(2)+7xy+2y^(2)+5x+5y+2=0 is given by