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A variable circule having fixed radius '...

A variable circule having fixed radius 'a' passes through origin and meets the co-ordinate axes in point A and B. Locus of centroid of triangle OAB where 'O' being the origin, is -

A

`9 ( x^(2) + y^(2))=4a^(2)`

B

`9(x^(2) + y^(2)) = a^(2)`

C

`9(x^(2) +y^(2)) =2a^(2)`

D

`9(x^(2) + y^(2)) =8a^(2)`

Text Solution

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The correct Answer is:
a
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