1.

Locus of centroid of the triangle whose vertices are (acostheta,asintheta),(bsintheta,-bcostheta) and (2,0) where theta is a parameter is

Answer»

`(3x-2)^(2)+y^(2)=a^(2)+B^(2)`
`(3x-2)^(2)+3y^(2)=a^(2)+b^(2)`
`(3x-2)^(2)+9Y^(2)=a^(2)+b^(2)`
`(3x-2)^(2)+9y^(2)=a^(2)-b^(2)`

Answer :3


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