Here's one that looks scary due to quartic powers but made light work off.

My complex analysis lectures:
   • Complex Analysis Lectures  

If you like the videos and would like to support the channel:
  / maths505  

You can follow me on Instagram for write ups that come in handy for my videos and DM me in case you need math help:
https://instagram.com/maths.505?igshi...

My LinkedIn:
  / kamaal-mirza-86b380252  

Advanced MathWear:
https://my-store-ef6c0f.creator-sprin...