Find the differential equation of all straight lines touching the circle `x^2+y^2=a^2`

Find the differential equation of family of all straight lines passing through the origin .

Find the differential equation of all circles touching the (i) x-axis at the origin (ii) y-axis at the origin

Find the equation of the straight lines touching both x^2+y^2=2a^2 and y^2=8a xdot

Find the equation of the straight lines touching both x^2+y^2=2a^2 and y^2=8a xdot

Find the differential equation of the family of concentric circles x^2+y^2=a^2 .

Find the equation of a circle with center (4, 3) touching the circle x^2+y^2=1

Differential equation of the family of circles touching the line y=2 at (0,2) is

Form the differential equation of all circle touching the x-axis at the origin and centre on the y-axis.

Form the differential equation of all circle touching the x-axis at the origin and centre on the y-axis.

The differential equations of all circle touching the x-axis at orgin is (a) (y^(2)-x^(2))=2xy((dy)/(dx)) (b) (x^(2)-y^(2))(dy)/(dx)=2xy ( c ) (x^(2)-y^(2))=2xy((dy)/(dx)) (d) None of these