`16x^2-9y^2+32x+36y-164=0` find the focus of centroid of `triangle`PSS' where P is a point on hyperbola ,S,S' are focus.

The locus of the centroid of the triangle formed by any point P on the hyperbola 16x^(2)-9y^(2)+32x+36y-164=0 and its foci is :

The focus of the rectangular hyperbola (x+4)(y-4)=16 is

Find the eccentricity of the hyperbola 9y^(2)-4x^(2)=36

Consider a parabola x^2-4xy+4y^2-32x+4y+16=0 . The focus of the parabola (P) is