1.

A cross - section ofa parabolic reflector is shown. The diameter of opening at the focus is 10 cm. Find the equation of the parabola. Find diameter of the opening at the focus is 10 cm. Find the equation of the parabola. Find diameter of the opening at 11 cm from the vertex.

Answer»


ANSWER :`y^(2) = 10X, 2sqrt(110) CM`


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