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Find the centre and radius of the circle...

Find the centre and radius of the circle `2x^(2) + 2y^(2) - x = 0`

Text Solution

Verified by Experts

`x^2 + y^2 -x/2 = 0`
-2h = -1/2``
`h= 1/2*1/2 = 1/4`
`-2k = 0`
`k=0`
`r^2 - h^2-k^2 = 0`
`r^2 = h^2 + k^2`
`r^2 = (1/4)^2 + (0)^2`
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