Find the equation of the circle which is concentric with the circle x^2+ y^2-12y-8x+15=0 & passing through the centre of the x^2 +y^2
abhi178:
hey friends please again look your question I think you missed x^2+y^2 = what
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first of all you find given circle center
i.e (4,6)
now let radius of unknown circle is r
hence equation of circle
(x-4)^2+(y-6)^2=r^2-------(1)
because this circle passing through
x^2+y^2-6x-4y+11=0 this circle center is (3,2)
now put (3,2) in (1) and find radius
and again write circle equation
i.e (4,6)
now let radius of unknown circle is r
hence equation of circle
(x-4)^2+(y-6)^2=r^2-------(1)
because this circle passing through
x^2+y^2-6x-4y+11=0 this circle center is (3,2)
now put (3,2) in (1) and find radius
and again write circle equation
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