[Solved] 3. (24 pts) Find the exact surface area o

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3. (24 pts) Find the exact surface area of the helicoid r(u, v) = (ucos(2v), usin(2v),v), 0Sus1 , OSVS2x. Hint: sec3 0 de = NIH

3. (24 pts) Find the exact surface area of the helicoid r(u, v) = (ucos(2v), usin(2v),v), 0Sus1 , OSVS2x. Hint: sec3 0 de = NIH sec 0 tan 0 + In sec 0 + tane]+ c

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