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Question

Find the center and radius of the circle whose equation is given by: 2x2+2y2x=0

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Solution

2x2+2y2x=0
x2+y2x2=0
We have the general for the equation of the circle x2+y2+2gx+2fy+c=0
The center of the circle is given by (g,f)
Here,
f=0
2g=12
g=14
center=(g,f)=(14,0)
radius=g2+f2c=14=12

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