Find a Polar Equation of the Conic with Its Focus $\left( 5 , - \frac { \pi } { 2 } \right)$

Short Answer

Find a polar equation of the conic with its focus at the pole.
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Conics
Vertex or vertices
Parabola $\left( 5 , - \frac { \pi } { 2 } \right)$ ​