\"\"

\

The equation is \"\".

\

Compare the polar equation with \"\".

\

Here \"\" and \"\".

\

Since \"\", the conic is parabola.

\

Directrix is perpendicular to the polar axis at a distance \"\" to the right of the pole.

\

Therefore, the vertex is at \"\".

\

\"\"

\

The directrix is \"\".

\

Construct a table for different values of \"\".

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\"\"\"\"\"\"\"\"
\"\"\"\"\"\" \

\"\"

\
\

\ \

\

Graph:

\

(1) Graph the polar co-ordinates.

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(2) Plot the points.

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(3) Connect the points to a smooth curve.

\

\"\"

\

\"\"

\

The conic is parabola.

\

The directrix is perpendicular to the polar axis at a distance \"\" right to the pole.

\

The vertex is at \"\".

\

\"\".