Apparently, this user prefers to keep an air of mystery about them.
8 How can you find the cubed roots of $i$? feb 13 '14
2 If $f(x), \phi(x)$ are continuous functions on $[a,b]$, how can I show that $\int_a^b f(x)\phi(x) dx = 0$? mar 30
2 How can you derive this integrating factor? feb 28 '14
2 How can you solve this convolution? apr 11 '14