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Consider a family of circles which are passing through the point `(-1,1)` and are tangent to the x-axis. If `(h ,k)` are the coordinates of the center of the circles, then the set of values of `k` is given by the interval. `kgeq1/2` (b) `-1/2lt=klt=1/2` `klt=1/2` (d) `0

A

`0 lt k lt 1//2`

B

`k ge 1//2`

C

`-1//2 lr k le 1//2`

D

`k le 1//2`

Text Solution

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The correct Answer is:
B
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