Find the area of the surface obtained by rotating the curvey = 4x³ from x = 0 to x = 1 about the x-axis.

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Q: Let f(x)= = 4x² tan(x) sec(x) 1. f'(x)= 8x*sinx+4x^2*cosx 2. f'(1)= . Find the following:

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