frwmed whon ffx)– 2. A-z between -1 and 0 is rotated . d the mpute the surface area of example 9.10.2 by rotating f(z) - V around t he z-axis. mpute the area of the surface formed when f(x)= between 1 and 3 is rotated around z-axis. te the f the sufan f luha fíz) = 2+ cosh(z) betwoen 0 and 1 is rotated sider the surf sha manh of flm)- und the r-axis. KLion 9.7 aw Enat Gabriel' vume, Stiow that Gabriei s HGER HE u ide ing this circle

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