Fapable maths: https://www.youtube.com/channel/UCtAIs1VCQrymlAnw3mGonhw/videos ,

build up power for partial fractions? (design your own integrals#2),
this is how we partial fractions,
calculus 2 integrals,
integral of 1/(x^6+x),
integral of 1/(x^6+x^5),

blackpenredpen,
math for fun,
integrals by partial fractions,