If an angle between the lines `ax^(2)-7xy+3y^(2)+3x+y-2=0` is `45^(@)` then `a=`

Angle between the lines 2x^(2)-3xy+y^(2)=0 is

The angle between the lines x^(2)+4xy+y^(2)=0 is

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

The angle between the lines in x^(2)-xy-6y^(2)-7x+31y-18=0 is

The angle between the lines in x^(2)-xy-6y^(2)-7x+31y-18=0 is

Find the value of h, if the measure of the angle between the lines 3x^(2) + 2hxy + 2y^(2) = 0 is 45^(@) .

If tihe lines 2x-y=0 is the bisector of an angle between the two lines x^(2)+2hxy-3y^(2)=0 then h=

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

Measure of angle between lines 3x^(2)-8xy-3y^(2)=0 is

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