is a circle of radius 1 touching the -axis and the -axis. is another circle of radius and touching the axes as well as the circle . Then, the radius of is |
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a) |
b) |
c) |
d) |
None of these |

is a circle of radius 1 touching the -axis and the -axis. is another circle of radius and touching the axes as well as the circle . Then, the radius of is |
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a) |
b) |
c) |
d) |
None of these |

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