Question
Sat March 12, 2011 By: Garima Srivastava

The radius of the circle given by 2x2 + 2y2 – x = 0 is

Expert Reply
Sat March 12, 2011
dear student,
the equation of the circle can be written as
..(note that we must make the equation in the standard form by making the coeffs of x square and y square term equal.)
now, we can compare this equation with the standard equation of the circle and get
2g= -
g=.now f=0, c=0 as there is  no y term and constant term
so radius=
2f=0..as there is no y term
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