↵how many circles can be drawn passing through :
a . one given point
b . two given point   

Answer :

a )  We can draw infinite number of circles that are passing through a given point , As : 



Here we have show some of the circle passing through given point "  P " .

b )  We can draw infinite number of circles that are passing through two given points , As : 



Here we have show some of the circle passing through two given points "  P " and  "  Q " .