CBSE Class 11-science Answered
Find the equation of the circle passing through the point: (1,1), (0,-1) & (-2, 0).
Plz show me the solution step by step.. ^^ ___
Asked by mlan.man1710 | 21 Aug, 2018, 01:23: PM
Expert Answer
Let
A=(1,1), B=(0,-1) & C=(-2, 0)
consider O be the center and O = (h,k)
use distance formula
OA = OB ......eqn(1)
OB = OC.......eqn (2)
solve both the eqns simulatneously to get h and k
equation of circle=
(x-h)2 +(y-k)2 = r2............r =OA....distance formula
Answered by Arun | 23 Aug, 2018, 10:22: AM
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