5m Zen
The line x
The line x pictures 5
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The line
The line x
the line x y touches the parabola
the line x u003d- 5 is parallel to
the line x u003d 3 is
the line x cos alpha
the line x u003d 4
the line x u003d 1
the line x u003d c
the line x u003d a and y u003d be
the line x u003d a and y u003d b are
