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Mathematics, 25.01.2021 22:30 theo39

Show that the principal curvatures of the surface x1sinx3 -x2cosx3=0 are +-1/(x1²+x2²+1)

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Show that the principal curvatures of the surface x1sinx3 -x2cosx3=0 are +-1/(x1²+x2²+1)...

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