The number of real common normals of `y^(2)=4x` and `x^(2)=4y` that can be drawn is equal to

Maximum number of common normals of y^(2)=4ax and x^(2)=4by is

The equations of the common'tangents to y^(2)=4x and 3x^(2)-4y^(2)=12 are

The number of common solutions for 3x+2y=18 and 5x+4y=3 is

The area of triangle formed by the common tangent to y^(2)=4x and x^(2)=4y and the co- ordinate axes is

Set of values of 'h' for which the number of distinct common normals of (x-2)^(2)=4(y-3) and x^(2)+y^(2)-2x-hy-c=0(cgt0)" is 3, is"

The equation of the common tangent to parabola y^(2)=4x and x^(=)4y is x+y+(k)/(sqrt(3))=0, then k is equal to

The number of common solutions for 3x + 2y = 18 and 5x+4y =3 is ______.

The number of normals drawn to the parabola y^(2)=4x from the point (1,0) is

The number of common tangents of the circles x^(2)+y^(2)+4x+1=0 and x^(2)+y^(2)-2y-7=0 , is