For n = 3, y = f(x1,x2,x3) i.e., a 3-dimensional manifold in … and (d) n = 3 is a hypersurface that can be a 3-sphere (ordinary 3D sphere, …
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For n = 3, y = f(x1,x2,x3) i.e., a 3-dimensional manifold in … and (d) n = 3 is a hypersurface that can be a 3-sphere (ordinary 3D sphere, …