Q16, derivative of x*tanh(x)+ln(sqrt(1-x^2))
Why it's on BrighterTube
From a channel a BrighterTube curator approved in full · 80% confidenceFrom a channel Lumen includes in full: Steve Chow (blackpenredpen) is a long-time calculus teacher who works integrals, derivatives, series, special functions and precalculus problems in full on the whiteboard, including multi-hour practice marathons.
What you'll learn
A 3-minute video from blackpenredpen's catalogue; the title names its topic.
Video by blackpenredpen, played through YouTube's embedded player.