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Section 2 Problem 4: a)Find the area of the surface obtained by rotating the curvex=1/3((y^2)+2)^(3/2), 1<=y<=2,...

Section 2 Problem 4:

a)Find the area of the surface obtained by rotating the curvex=1/3((y^2)+2)^(3/2), 1<=y<=2, about the x-axis

b)Find the area of the surface generated by revolving the given curve about the y-axis. x=sqrt(25-y^2), -4<=y<=4

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