Find the equation of four tangent common to the hyperbola x^2 - 2 y^2 = 4 and the
Circle x^2 + y^2 = 1. Find the points of contact of these tangent
With the circle. Hint: let xx1 + yy1 = 1 be a tangent to x^2 + y^2 = 1 at
P (x1, y1)
I try this but it seem so confusing, I wonder if anyone...