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# $11-20$ Use traces to sketch and identify the surface.$$9 x^{2}-y^{2}+z^{2}=0$$...

## Question

###### $11-20$ Use traces to sketch and identify the surface.$$9 x^{2}-y^{2}+z^{2}=0$$

$11-20$ Use traces to sketch and identify the surface. $$9 x^{2}-y^{2}+z^{2}=0$$

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