Integral x dx/(a+bx)³
20:37
Integrate x^-x dx
15:42
Integral(x⁴-2x²+5)dx/√(4x-x²)
19:51
Integral ℯsen5θcos2θdθ
12:13
Feynman's technique is the greatest integration method of all time
12:16
Area=?4y²=x⁴(4-x)
22:28
so you want a HARD integral from the Berkeley Math Tournament
24:56
Integrate 1/(1+x^3)
8:04