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Mathematics
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RTF
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4
Proving the formula for distance between a point and a parametric line
Jul 9, 2023
2
Deriving the normal distribution from a simpler function
May 4, 2023
2
Radius of convergence for $\frac{1}{x^2 + x - 6}$ [duplicate]
May 14, 2023
2
Binomial proof of $n! = n^r - n(n - 1)^r + \frac{n(n-1)}{2!}\left(n -2 \right)^r - \dots$ when $r = n$
May 27, 2023
2
Matrix of rotation in $\mathbb R^{3}$
Jun 27, 2023
2
Given that at least two of the drawn balls have the same colour, what is the probability that all drawn balls are red.
May 18, 2023
2
Number of Draws Needed to Win a Raffle
May 28, 2023
2
We roll a $6$-sided die $n$ times. What is the probability that all faces have appeared?
Jun 11, 2023
2
An infinite series expansion of $(1 + x)^n$ for all $n \in\mathbb{R}$?
Aug 11, 2023
1
Counting the size of sets of permutations having k cycles [closed]
Jan 8, 2023