Classify the following sets : Set of all concentric circles touching
the x-axis at the origin.

Form the DE of the family of circles touching the x-axix at origin.

Find the differential equation of all the circles touching the x-axis at origin.

Classify the following sets (i)Set of lines passing through a point.

Form the differential equation of the family of all circles touching the y-axis at origin.

Classify the following sets {x: x^2-2=0, x is rational}

Classify the following sets (ii)Set of lines passing through two given points.

State whether the following set is finite or infinite The set of circles passing through the origin (0,0)

Which of the following are null set Set of even prime numbers