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rohan bhatia Grade: 11
        

sir pls solve ths quotion

if a circle of constant radius 3k passes through the origin and meets the axes at A and B the locus of the centeroid of the triangle ABC is.




7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear rohan


 


 


6443-1213_7662_124.JPG


let centroid of circle is (l,m)


then point A and B will be as shown in figure


and center of circle will be (3l/2 ,3m/2)


 


so  (3k)2 =(3l/2)2 +(3m/2)2


   (2k)2 =(l)2 +(m)2


so locus


x2 +y2 =4k2





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Badiuddin


 

7 years ago
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