What Integration Technique Do I Use? Q1 to Q5 (trig sub, u sub, DI method, partial fraction) calc 2

Here are the solutions Q1 to Q5 from my popular integral video " What Integration Technique Do I Use" https://youtu.be/M5MaGUO0JDs This tutorial goes over the strategies of choosing when to use integration by parts, trig sub, u-sub, partial fractions, etc. Full solution video on Patreon (plus problem and solution files) 👉 https://www.patreon.com/posts/full-solution-to-128217668 1. integral of ln(x)/x^3, 0:00 2. integral of sec^4(x), 2:20 3. integral of (2x+3)/(x^2-5x+4), 3:55 4. integral of x^2*tan(x^3), 7:56 5. integral of 1/(1+x^2)^(5/2), 9:32