Question: Let x be the patch x(u,v)=(u, v, ln(cosv/cosu)) defined on -?/2 < u, v < ?/2. Show that the image of x is a minimal

Let x be the patch x(u,v)=(u, v, ln(cosv/cosu)) defined on -?/2< u, v < ?/2. Show that the image of x is a minimal surfaceand find its Gaussian curvature. 2 answers

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