Draw a cuboids given by the point (6,5,2). Explain the meaning of quadric surface. Sketch the graph of x^2/4 + y^2/9 =1 in three dimensions.
cuboids given by the point (6,5,2):
Quadric surfaces are natural 3D-extensions of the so-called conics (ellipses, parabolas, and hyperbolas),
graph of "x^2\/4 + y^2\/9 =1" :
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