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15
Math.TechQA.Club
2015-05-23 14:23:42
351
Views
Proving $\sqrt{2}(a+b+c) \geq \sqrt{1+a^2} + \sqrt{1+b^2} + \sqrt{1+c^2}$
Published on
23 May 2015 - 14:23
#inequality
#proof-writing
#problem-solving
214
Views
Kill the creeps with minimum cost
Published on
28 Mar 2026 - 16:19
#problem-solving
#discrete-optimization
2.2k
Views
SAT Maths Question About Fractions
Published on
02 Apr 2026 - 7:03
#problem-solving
#fractions
65
Views
Can I use eigenvalues to find the inverse of a vector?
Published on
06 Apr 2026 - 9:39
#matrices
#eigenvalues-eigenvectors
#inverse
#problem-solving
203
Views
Solving a matrix for color manipulation
Published on
28 May 2015 - 3:02
#matrices
#problem-solving
205
Views
What is the value of $a^4+b^4+c^4$?
Published on
30 May 2015 - 11:01
#algebra-precalculus
#problem-solving
134
Views
Strange sum of random variables
Published on
28 Mar 2026 - 1:12
#probability
#probability-distributions
#random-variables
#problem-solving
#formal-proofs
125
Views
Reference request - Problem book by subject
Published on
31 May 2015 - 0:13
#reference-request
#self-learning
#problem-solving
392
Views
Inverse Fourier transform of $\frac{1-e^{-2\pi ift}}{2\pi if}$
Published on
31 May 2015 - 13:27
#fourier-analysis
#problem-solving
1.1k
Views
$\mathbb{A}^2\setminus (0,0)$ is not affine
Published on
31 May 2015 - 13:54
#algebraic-geometry
#proof-writing
#problem-solving
34
Views
System of equations that I'm having trouble with
Published on
31 May 2015 - 18:52
#algebra-precalculus
#systems-of-equations
#problem-solving
3.1k
Views
Defining the $L^2$ norm of a vector valued function
Published on
02 Jun 2015 - 11:19
#functional-analysis
#vector-spaces
#problem-solving
36
Views
Problem leading equations
Published on
03 Jun 2015 - 10:03
#problem-solving
668
Views
Problem leading simple equations
Published on
03 Jun 2015 - 12:58
#problem-solving
49
Views
Under what conditions would the function $\prod_{i=1}^{n}{\frac{r_i}{r_i - 1}}$ be decreasing with respect to $n$?
Published on
23 Feb 2026 - 9:13
#inequality
#problem-solving
#egyptian-fractions
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