1.

If f(ac) = In(a) where a E 1, 3) is rotated about the x-axis, then the area of the resulting surface is SA = 27 dx or SA = 27If f(ac) = In(a) where a E 1, 3) is rotated about the y-axis, then the area of the resulting surface is SA = 2T dac or SA = 2T\fTo evaluate [:13 ln(:1:) dar: using integration by parts, what shouLd we set do to be? Select 1 of the 4 choices To evaluate / x sin(x) dac we can apply integration by parts times. We set u = on the first application