Possible vs Reasonable
20:37
Integrate x^-x dx
12:25
Find all natural numbers satissfying the equation
10:27
Why a cannot be 2
24:56
Integrate 1/(1+x^3)
11:51
Systems of Linear Equations Using Elementary Row Operations of Matrices
25:46
integral of sqrt of tanx
13:51
Square-root of a matrix
5:23