Question

Let R be the region in the first quadrant enclosed by the graphs of `y=e^(-x^2)`, `y=1-cosx`, and the y axis, how do you find the volume of the solid generated when the region R is revolved about the x axis?

Answer 1

See the answer below:

Explanation:

Credits:
Thanks to web site https://www.integral-calculator.com/ to help us with the special integral Gauss error function.