Disc/Washer Method vs. Shell Method (rotated about different lines)

Volume of Solid of Revolution rotated about different lines. Disc method vs. shell method for calculus 1 or AP calculus students. Visit my site for the file and the answer key: https://blackpenredpen.com/calc1 If you enjoy my videos, then you can click here to subscribe https://www.youtube.com/blackpenredpen?sub_confirmation=1 My math T-shirts & hoodies: https://teespring.com/stores/blackpenredpen twitter: https://twitter.com/blackpenredpen Instagram: https://www.instagram.com/bprp_merch/ Patreon: https://www.patreon.com/blackpenredpen