week5(10/08)Parabola
Parabola1
Parabola2
the pair of tangents from a given point to the parabola
pair of tangents and the focus, construct the parabola
the focus, a tangent and the point
the focus and 2 tangents
the focus and the point
parabola tangent to a fixed circle having a fixed diameter as axis
the quadratic polynomial passing through three given points no two of which have the same abscissa
the cubic polynomial passing through four given points no two of which have the same abscissa
Given coefficients a,b,c,d, construct the graph of the cubic polynomial
a chain of four tangential circles to the case of graphs of quadratic polynomials