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An equation of a circle touching the axe...

An equation of a circle touching the axes of coordinates and the line `x cos alpha+ y sin alpha = 2` can be

A

`2 ( cos alpha + sin alpha + 1) ^(-1)`

B

`2 (cos alpha - sin alpha +1) ^(-1)`

C

`2 (cos alpha + sin alpha -1) ^(-1)`

D

`-2 ( cos alpha - sin alpha -1) ^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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