Question

Identify the surfaces with the given vector equations r(u,v) = <2usin(2v), 3u^2, 2ucos(2v)> r(u,v) = <2u,...

Identify the surfaces with the given vector equations

r(u,v) = <2usin(2v), 3u^2, 2ucos(2v)>

r(u,v) = <2u, 7v, u^2-v^2>

r(u,v) = <2sin(s), 2t, 4cos(s)>

r(u,v) = <3s, 2s+2t-7, t>

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