Saturday, 4/8/2023 Textbook: "Basic Complex Analysis" 3rd Edition by Marsden & Hoffman Exercise: #1 on page 301. Featured on pentagramprime Episode #000071 (YouTube): https://youtu.be/-7nNIV8Qqak These five images show the evaluation of the improper integral of 1/[x^2 - 2x + 4] from minus to positive to infinity utilizing residue theorem. Apologies for the smudged ink.










