A circle passes through the points (2, 3) and (4, 5). If its centre lies on the line, y − 4 x + 3 =0, then its radius is equal to :
As we learned
General form of a circle -
- wherein
centre =
radius =
Also S passes through (2,3) and (4,5)
We get
On solving g=-2, f=-5 and simply r=2.
Option 1)
Option 2)
Option 3)
Option 4)
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