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equation of circle concentric with x2+y2-8x-16y+4=0 and touches Y-axis is

equation of circle concentric with x2+y2-8x-16y+4=0 and touches Y-axis is

Grade:12

1 Answers

Arun
25758 Points
4 years ago
If the required circle is concentric then it's centre = 
 
 C = (4, 8)
 
Now if it touches y axis then it's radius = 4 unit
 
Hence equation
 
(x-4)² + (y-8)² = 4²

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