Let C be the circle with centre

eSaral Updated on: 04 Jan, 2023

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Question:
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 :

$\frac{\sqrt{3}}{\sqrt{2}}$
$\frac{\sqrt{3}}{2}$
$\frac{1}{2}$
$\frac{1}{4}$

Correct Option: , 4

Solution:

Let C be the circle with centre

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