The curve described by the continued fraction
coincides with the curve described by a conic section . What type of conic section is ? What is the equation of ?
If the centre of is at a point , type as your answer.
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Solve for s where
s = x + s x
and get
s = 2 1 ( x − x 2 + 4 x )
s = 2 1 ( x + x 2 + 4 x )
which is a hyperbola, the asymptotes being
y = − 1
y = x + 1
which meet at ( − 2 , − 1 ) , the center of this hyperbola