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A circle passes through the points `A(1,0)a n dB(5,0),` and touches the y-axis at `C(0,h)dot` If `/_A C B` is maximum, then `h=3sqrt(5)` (b) `h=2sqrt(5)` `h=sqrt(5)` (d) `h=2sqrt(10)`

A

`|lamda|=sqrt5`

B

`|lamda|=2sqrt5`

C

`|lamda|=3sqrt5`

D

`|lamda|=4sqrt5`

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The correct Answer is:
A
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