Question

I want to know when to use shell method and when to use washer method. and how to evaluate the improper integral.

1. Consider the region bounded by the graphs of f(x)-21 and g(x) 3-x2. 1.(a). (5 points) Write the integral for the volume of the solid of revolution obtained by rotating this region about the x-axis. Do not evaluate the integral. 24a). (I point) Is the integral dx an improper integral? 2.a). (1 point) Is the integral dx an improper integral? Yes No 2.(b)5 points) Evaluate the integral: dr

Answer 1