Is there a short formula for this?
99335
Sum of all triangle numbers
2752
Is there any way to generalise this problem?
140728
Give me some hints in calculation this limit.
120510
How to write this statement in mathematical notation?
127431
What is the equation for a string fixed at both ends without simplifying assumptions?
34239
How can I number a few equations together
76347
Shorter proof for some equvalences
116520
formula for the $n$th derivative of $e^{-1/x^2}$
36361
How to calculate the summation $(\sum_{p = k}^{n} \binom{n}{p}) / 2^n$ quickly?
152074
How to find out the global minimum of the following expression
33492
Determine the recurrence formula
70028
Direct way of calculating $\mathbb{E} \left[ \frac{\textbf{h}^{H} \textbf{y}\textbf{y}^{H} \textbf{h}}{ \| \textbf{y} \|^{4} } \right]$
20444
Derive quadratic formula
31731
How to turn this into an equation and then sum the series?
51029
Looking for a hint on the class of a particular equation
22443
What's this equation called (one more each iteration, find total for given iteration)?
10104
Standard formula for quick calculation of scores