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Consider a family of circles which ar...

Consider a family of circles which are passing through the point `(-1,""1)` and are tangent to x-axis. If (h, k) are the co-ordinates of the centre of the circles, then the set of values of k is given by the interval (1) `0""<""k""<""` (2) `kgeq` (3) `-lt=klt=` (4) `klt=`

A

`0 lt k lt 1//2`

B

`k ge 1//2`

C

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

D

`k le 1//2.`

Text Solution

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -SOLVED EXAMPLES (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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