"If a circle of constant radius `3k`  passes through the origin `O`  and meets the coordinate axes
Channel: Doubtnut
Date: 28/06/2020

"If a circle of constant radius `3k`
 
 passes through the origin `O`
 
 and meets the coordinate axes at `Aa n dB`
 
 , then the locus of the centroud of triangle `O A B`
 
 is
 
  (a)`x^2+y^2=(2k)^2`
 
 
 
  (b)`x^2+y^2=(3k)^2`
 
 
 
 (c)`x^2+y^2=(4k)^2`
 
  (d) `x^2+y^2=(6k)^2`"