A cylinder whose equation is y = f(x) is tangent to the surface 2 + 2xz...
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A cylinder whose equation is y = f(x) is tangent to the surface 2 + 2xz + y = 0 at all points common to the two surfaces. Find f(x). A cylinder whose equation is y = f(x) is tangent to the surface 2 + 2xz + y = 0 at all points common to the two surfaces. Find f(x).
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