class 11 Math Co-ordinate Geometry Circles

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

(a)

$∣ 2 ∣2 ∣) ∣(3)) 3 $ (2) $23 $(3) $21 $ (3) $41 $

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