1.

Let C be the circle with centre at (1,1) and radius = 1. If T is the circle centred at (0,y), passing through origin and touching the circle C externally, then the radius of T is equal to:

Answer»

Let C be the circle with centre at (1,1) and radius = 1. If T is the circle centred at (0,y), passing through origin and touching the circle C externally, then the radius of T is equal to:



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