Maximising Sum of Moduli (3 of 3: Interpreting stationary points)

[@brandongillins]

I love your video setup. I have made videos for my students for 3 years changing between showing me, not showing me. Your setup might be my new format. Nice work!

[@nawaf_ksa0]

So professional!
Thanks!

[@kmm2442]

Bless you eddie.

[@mathsandsciencechannel]

Thank you sir. THANKS for your inspiration

[@aashsyed1277]

Damn you're so good....

[@navodalwickramawardhana9040]

👍👍👍👍👍

[@CK-di2kb]

you can make x=cos, which is much easier when you do the differentiation…