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 :
As we learnt in
Circle touching y-axis and having radius r -
- wherein
Where g is a variable parameter.
According to Pythagorus theorem,
Option 1)
This option is incorrect.
Option 2)
This option is correct.
Option 3)
This option is incorrect.
Option 4)
This option is incorrect.
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