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

The focus of rectangular hyperbola (x-a)*(y-b)=c^2 is

The focus of rectangular hyperbola (x-a)*(y-b)=c^2 is

The focus of rectangular hyperbola (x-a)*(y-b)=c^(2) is

If the normal to the rectangular hyperbola x^(2) - y^(2) = 4 at a point P meets the coordinates axes in Q and R and O is the centre of the hyperbola , then

If the normal to the rectangular hyperbola x^(2) - y^(2) = 4 at a point P meets the coordinates axes in Q and R and O is the centre of the hyperbola , then

If the normal at P to the rectangular hyperbola x^(2) - y^(2) = 4 meets the axes of x and y in G and g respectively and C is the centre of the hyperbola, then 2PC =

Equation of the rectangular hyperbola whose focus is (1,-1) and the corresponding directrix is x-y+1=0 .

Equation of the rectangular hyperbola whose focus is (1,-1) and the corresponding directrix is x-y+1=0

Equation of the rectangular hyperbola whose focus is (1,-1) and the corresponding directrix is x-y+1=0