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15
Math.TechQA.Club
2026-03-28 15:01:31
590
Views
Application of Implicit Differentiation Problems
Published on
28 Mar 2026 - 15:01
#calculus
#derivatives
#problem-solving
#implicit-differentiation
#word-problem
98
Views
Suppose $(x_n)_n$ is a non-decreasing sequence of natural numbers. Then, $\sum\frac{1}{x_{x_n}-x_n}$ diverges $\iff\sum\frac{1}{x_n}$ diverges.
Published on
29 Jan 2023 - 11:05
#real-analysis
#sequences-and-series
#convergence-divergence
#recreational-mathematics
#problem-solving
18
Views
Solving for variable in Summation problem
Published on
21 Mar 2026 - 1:19
#summation
#problem-solving
174
Views
How to find Eigenfunction of this Sturm-Liouville problem
Published on
27 Mar 2026 - 18:07
#ordinary-differential-equations
#problem-solving
#boundary-value-problem
#initial-value-problems
#sturm-liouville
170
Views
Simulate fair coin toss from exponential with unknown parameter
Published on
30 Jan 2023 - 13:38
#statistics
#problem-solving
89
Views
Difficulty at Solving Second Order PDE with D' Alembert Method
Published on
27 Mar 2026 - 18:08
#partial-differential-equations
#partial-derivative
#problem-solving
#initial-value-problems
24
Views
A problem regarding the natural map $k[X]\to k[X,Y]/\langle F \rangle$.
Published on
01 Feb 2023 - 6:14
#modules
#problem-solving
#intuition
#algebraic-curves
75
Views
Problems of the American Mathematics Competitions (AMC)
Published on
31 Mar 2026 - 19:18
#reference-request
#contest-math
#problem-solving
#education
669
Views
Laplace’s equation (using separation of variables)-- Is the solution correct?
Published on
31 Mar 2026 - 7:56
#partial-differential-equations
#reference-request
#partial-derivative
#problem-solving
#boundary-value-problem
57
Views
Let $\sigma$ be a permutation of $\mathbb{N}$. Show that there must be an A.P: $a,a+d,a+2d$ such that $\sigma(a)<\sigma(a+d)<\sigma(a+2d).$
Published on
28 Mar 2026 - 4:43
#permutations
#problem-solving
#pigeonhole-principle
#natural-numbers
#arithmetic-progressions
60
Views
Solving the Malthusian Growth ODE (without separation of variables)
Published on
06 Feb 2023 - 12:49
#ordinary-differential-equations
#problem-solving
30
Views
Create matrix operations to compute $[y1, y2 x1, x2]$ from vectors $[x1,x2,1]$ and $[y1, y2, 1]$
Published on
08 Feb 2023 - 17:02
#matrices
#problem-solving
#matrix-equations
24
Views
Solving a differential equation problem with boundary conditions
Published on
29 Mar 2026 - 13:39
#problem-solving
#differential
125
Views
Is there a technique for solving the integral of the square root of a constant minus the square of the cosecant?
Published on
12 Feb 2023 - 19:45
#calculus
#integration
#problem-solving
55
Views
Let $F:C^n \to C^n$ be a linear transformation, if $\forall x \in \mathbb{C^n}: \Vert F(x) \Vert = \Vert F^*(x) \Vert$ then F is normal.
Published on
15 Feb 2023 - 6:22
#linear-algebra
#problem-solving
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