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Find the equation of a circle with cent...

Find the equation of a circle with centre ` (h, k)` and touching the x -axis.

Text Solution

Verified by Experts

The correct Answer is:
`k^(2)`
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Knowledge Check

  • The equation to a circle with centre(2,1) and touching x axis is

    A
    `x^2+y^2+4x+2y+4=0`
    B
    `x^2+y^2-4x-2y+4=0`
    C
    `x^2+y^2-4x-2y+1=0`
    D
    none of these

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