New posts in Faq

Finding the limit of $\frac{Q(n)}{P(n)}$ where $Q,P$ are polynomials

Intuition behind Matrix Multiplication

How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?

Limits: How to evaluate $\lim\limits_{x\rightarrow \infty}\sqrt[n]{x^{n}+a_{n-1}x^{n-1}+\cdots+a_{0}}-x$

Evaluating $\int P(\sin x, \cos x) \text{d}x$

Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$

calculating $a^b \!\mod c$

Matrix multiplication: interpreting and understanding the process

Is there a name for function with the exponential property $f(x+y)=f(x) \cdot f(y)$?

Integration by partial fractions; how and why does it work?