Integral of 1/(1+x^2)
Integral of 1/sqrt(1-x^2)
integral of 1/(x^2+1) but you didn't learn it this way in calculus 2
Indefinite Integral of 1/x^2
the integral of 1/(1-x^2) (hyperbolic functions vs partial fractions?)
Integral of 1/(x^2+1) from -inf to inf, Contour Integral
Integral of 1/(x^2-1) (partial fraction decomposition)
Integral of x^2/(x^2+1)
Integral of 1/x^2
Integral of 1/(x^2+x+1)
(Method 2) Integral of 1/(1-x)^2
integral of 1/(1+x^2)^2
how Richard Feynman would integrate 1/(1+x^2)^2
Integral of (x^2+1)/(x^4+1)
Integral of 1/(x+1)^2 (substitution)
Integral of (x^2-1)/(x^2+1)
integral of sqrt(1+x^2)/x vs integral of x/sqrt(1+x^2)
Integral of x^2/(1+x^3)
Integral of 1/(x^2+x) (partial fraction decomposition)
Integration (Calculus)