miracle173

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WolframAlpha
Alpertron


31 Answers

newest activity votes
1
equivalence between uniform and normal distribution
7
Find all polynomials $P$ such that $P(x^2+1)=P(x)^2+1$
1
Optimal ladder position to maximize height reached
3
Find all polynomials $P$ such that $P(x^2+1)=P(x)^2+1$
0
Optimisation problem; Length of a cable
0
Solve, $x^2-y^2=176$; $6x+5y=3\sqrt{400+x^2}=3\sqrt{576+y^2}$
1
Can you help me solve these questions related to a Logical theory?
0
How do I show that the pythagoras theorem holds for the specific case of an “isosceles right triangle”?
0
Given integers $(a_i)$, what's the smallest $k$ for which the $a_i$ are distinct mod $k$?
2
Given the Hasse diagram tell if the structure is a lattice
1
A puzzle related to loops.
1
Erased number?
0
Question on logical inferences
3
there exist infinitely many values $n\in \mathbb{N}$ such that $8n^{2}+5$ is divisible by $7$ and $11$, without using diophantine equations
2
How does SatoshiDice work?
2
finding a minorant to $(\sqrt{k+1} - \sqrt{k})$
0
A solution to $y^5 \equiv 2\pmod{251} $
2
A solution to $y^5 \equiv 2\pmod{251} $
0
A solution to $y^5 \equiv 2\pmod{251} $
2
How many combinations of 6 items are possible?
1
Can you combine axioms for a vector space?
0
100 Soldiers riddle
1
Factoring Quadratics
4
Evaluate $\sum\limits_{k=1}^n k^2$ and $\sum\limits_{k=1}^n k(k+1)$ combinatorially
1
The Invariance Principle
8
How to show $e^{e^{e^{79}}}$ is not an integer
14
how to find the balls?
1
How to convert a plane (e.g. $4x - 3y + 6z = 12$) into parametric vector form?
1
Proving Fibonacci Identites
0
Find fast exact value for numbers in the form $\sum_{k=min}^{Max}\frac{1}{k}$
1 2