[" The condition for a line "y=2x+c" to touch the "],[" circle "x^(2)+y^(2)=16" is "]

Find the conditions that the line (i) y = mx + c may touch the circle x^(2) +y^(2) = a^(2) , (ii) y = mx + c may touch the circle x^(2) + y^(2) + 2gx + 2fy + c = 0 .

Find k if line y = sqrt(3)x + k touches the circle x^(2) + y^(2) = 16.

Find k , if the line y = 2x + k touches the circle x^(2) + y^(2) - 4x - 2y =0

The line x/a+y/b=1 will touch the circle x^2+y^2=c^2 if

Find the condition that the straight line cx-by+b^(2)=0 may touch the circle x^(2)+y^(2)=ax+by

The line y=x+a sqrt(2) touches the circle x^(2)+y^(2)=a^(2) at the point

If the line y=x+c touches the ellipse 2x^(2)+3y^(2)=1 then c=

Find the condition that the straight line y = mx + c touches the hyperbola x^(2) - y^(2) = a^(2) .

Find the condition that the straight line y = mx + c touches the hyperbola x^(2) - y^(2) = a^(2) .

The line x + y tna theta = cos theta touches the circle x ^(2) + y ^(2) = 4 for