eval. double integal sprt(1+x^2+y^2)ds(adsbygoogle = window.adsbygoogle || []).push({});

S is helicoid and r(u,v) = ucos(v)i+usin(v)j+vk, with 0 <=u<=4 and 0<=v<=4pi

help please i dont know what a helicoid is!

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# Help w/ eval of calc 3 problem

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