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15
Math.TechQA.Club
2026-05-10 13:49:35
410
Views
Prove $\sqrt{n^2 + 1} - n$ is strictly decreasing
Published on
10 May 2026 - 13:49
#calculus
#monotone-functions
628
Views
Prove integral diverges
Published on
15 Apr 2026 - 8:32
#calculus
#improper-integrals
142
Views
Prove the existence of a solution to the system by using the Implicit Function Theorem
Published on
10 May 2026 - 16:00
#calculus
#real-analysis
#implicit-function-theorem
36
Views
Show that a set admits a tangent plane
Published on
14 Apr 2026 - 18:41
#calculus
#real-analysis
#derivatives
318
Views
Prove $2 \cdot \sum\limits_{k = 0}^{n} \binom{2n}{2k} = 2^{2n}$ without induction
Published on
10 May 2026 - 19:50
#calculus
#real-analysis
#combinatorics
#binomial-coefficients
#binomial-theorem
110
Views
Product of convex functions with special properties
Published on
14 May 2026 - 23:25
#calculus
#analysis
#limits
#functions
#convex-analysis
34
Views
Show that solutions to a system form a graph of a function
Published on
10 May 2026 - 13:49
#calculus
#real-analysis
#derivatives
#implicit-function-theorem
950
Views
Approximating the value of an integral to six decimal places using a power series
Published on
12 Apr 2026 - 1:51
#calculus
#summation
50
Views
Recursive sequence problem (while it oscillates)
Published on
13 Apr 2026 - 15:15
#calculus
#sequences-and-series
#limits
#convergence-divergence
571
Views
Solve limit with Riemann sum.
Published on
23 Apr 2026 - 20:36
#calculus
#limits
123
Views
Sequence $(\frac{a_n}{n})$ is convergent.
Published on
15 Apr 2026 - 7:18
#real-analysis
#calculus
#sequences-and-series
#limits
#analysis
315
Views
Prove that $f'(x) = \lim_{h\to 0^+ \\k\to 0^+} \frac{f(x+h) - f(x-k)}{h+k}$
Published on
11 May 2026 - 9:15
#calculus
#real-analysis
#limits
#epsilon-delta
47
Views
Showing $\Phi(a+\text{weight}\cdot b) \neq (1-\text{weight})\cdot\Phi(a)+\text{weight}\cdot \Phi(a+b)$ where $\Phi(\cdot)$ is the CDF of $N(0,1)$
Published on
16 Apr 2026 - 17:27
#calculus
#probability-distributions
#normal-distribution
87
Views
How to find $x$ in $\sum\limits_{i=1}^{\infty}\sum\limits_{j=1}^{\infty}x^{ij}=\frac{1}{1-\gamma}$ if $0\lt x\lt1$?
Published on
10 May 2026 - 13:51
#calculus
#sequences-and-series
#euler-mascheroni-constant
61
Views
An inequality with operator norm
Published on
09 Apr 2026 - 15:02
#calculus
#functional-analysis
#inequality
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