If the lines represented by `4x^2+12xy+9y^2- 6x-9y=1` are 2 tangents to a circle then its area is

If 2x-4y=9 and 6x-12y+7=0 are parallel tangents to circle, then radius of the circle, is

If 2x-4y=9 and 6x-12y+7=0 are parallel tangents to circle, then radius of the circle, is

The straight lines represented by the equation 9x^(2)-12xy+4y^(2)=0 are

The straight lines represented by the equation 9x^(2)-12xy+4y^(2)=0 are

Find the points on the curve 4x^(2) + 9y^(2) = 1 , where the tangents are perpendicular to the line 2y + x = 0.

On the ellipse 4x^2+9y^2=1 , the points at which tangents are parallel to the line 8x =9y are :

Find the points on the curve 4x^2+9y^2=1 , where the tangents are perpendicular to the line 2y+x=0

Find the points on the curve 4x^2+9y^2=1 ,where the tangents are perpendicular to the line 2y+x=0

Find the points on the curve 4x^(2)+9y^(2)=1 where the tangents are perpendicular to the line 2y+x=0 .

Find the points on the curve 4x^2+9y^2=1 , where the tangents are perpendicular to the line 2y+x=0