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5.58.6  Graph of a conic: conic

conic takes as argument the equation of a conic with respect to x,y. You may also specify the names of the variables as second and third arguments or as a vector as second argument.
conic draws this conic.
Input:

conic(2*x^2+2*x*y+2*y^2+6*x)

Output:

Ellipsis of center (-2,1)

Remark:
See also reduced_conic for the parametric equation of the conic.


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