if IG is tangent to the circle at G, then EG + GH = EI. 16. Show that one can solve x3+d=cx by intersecting the hyperbola y²x²+x=0 with the parabola x² = √√cy. Sketch the two conics. Find sets of values for c and d for which these conics do not intersect, intersect once, and intersect twice.

Fig: 1