Unformatted text preview: f ( x,y ), we consider the intersection of the graph z = 4 x 2 + y 2 with the yz-plane x = 0; the intersection is found by substituting the second equation in the ±rst to get the parabola z = y 2 . Similarly, the intersection of the graph with the xz-plane y = 0...
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- Fall '08
- Calculus, MAJOR AXIS, minor axis, xz -plane