Prove that the lines `2x^2+6xy+y^2=0` are equally inclined to the lines `4x^2+18xy+y^2=0`

The straight lines represented by the equation 135 x^2-136 x y+33 y^2=0 are equally inclined to the line (a) x-2y=7 (b) x+2y=7 (c) x-2y=4 (d) 3x+2y=4

The straight lines represented by the equation 135 x^2-136 x y+33 y^2=0 are equally inclined to the line (a) x-2y=7 (b) x+2y=7 (c) x-2y=4 (d) 3x+2y=4

Show that the pairs of straight lines 2x^2+6x y+y^2=0 and 4x^2+18 x y+y^2=0 are equally inclined,then b is equal to

Show that the pair of lines given by a^2x^2+2h(a+b)xy+b^2y^2=0 is equally inclined to the pair given by ax^2+2hxy+by=0 .

If one of the two lines 6x^(2)+xy-y^(2)=0 coincides with one of the two lines 3x^(2)-axy+y^(2)=0 ten

The equation of the circle which touches the circle x^2+y^2-6x+6y+17 = 0 externally and to which the lines x^2-3 xy-3x + 9y = 0 are normals, is

The lines represented by x^(2)+2lambda xy+2y^(2)=0 and the lines represented by (1+lambda)x^(2)-8xy+y^(2)=0 are equally inclined, then lambda =

The centroid of the triangle formed by the pair of straight lines 12x^2- 20xy+7y^2=0 and the line 2x-3y + 4 = 0 is

The lines represented by x^(2)+2lambda xy+2y^(2)=0 and the lines represented by 1+lambda_x^(2)-8xy+y^(2)=0 are equally inclined, then

If the straight lines joining the origin and the points of intersection ofthe curve 5x^2 + 1 2xy-6y^2 + 4x-2y+ 3=0 and x + ky-1=0 are equally inclined to the co-ordinate axes then the value of k