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If P Q R is an equilateral triangle insc...

If `P Q R` is an equilateral triangle inscribed in the auxiliary circle of the ellipse `(x^2)/(a^2)+(y^2)/(b^2)=1,(a > b),` and `P^(prime)Q^(prime)R '` is the correspoinding triangle inscribed within the ellipse, then the centroid of triangle `P^(prime)Q^(prime)R '` lies at center of ellipse focus of ellipse between focus and center on major axis none of these

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