1.

If (p,q), (acostheta,bsintheta),(bcostheta,asintheta) are the vertices of a triangle, where theta is a parameter then the locus of the centriod of the triangle

Answer»

`(3x-p)^(2)+(3y-q)^(2)=(a+b)^(2)`
`X^(2)+y^(2)=9(a+b)^(2)`
`(3x+p)^(2)+(3y+q)^(2)=(a+b)^(2)`
`x(x-a)+y(y+b)=0`

Answer :1


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