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15
Math.TechQA.Club
2014-12-30 19:18:20
153
Views
Is it possible to solve this equation with logarithms and exponents?
Published on
30 Dec 2014 - 19:18
#algebra-precalculus
#logarithms
#problem-solving
1.2k
Views
Prove Divisibility In Fibonacci Sequence Over A Prime Number
Published on
28 Mar 2026 - 8:10
#sequences-and-series
#number-theory
#divisibility
#problem-solving
#fibonacci-numbers
492
Views
Solution to $b\sin({\theta})\cos({\phi})+a\cos({\theta})\sin({\phi})=0$ for $\phi$
Published on
31 Dec 2014 - 13:08
#trigonometry
#problem-solving
1.1k
Views
Different ways to write $n$
Published on
01 Jan 2015 - 21:02
#discrete-mathematics
#problem-solving
95
Views
How do you compare carsharing plans to calculate the cheapest?
Published on
02 Jan 2015 - 21:13
#optimization
#recreational-mathematics
#problem-solving
52
Views
Solve boolean function solving for function?
Published on
30 Mar 2026 - 12:02
#functions
#problem-solving
#boolean-algebra
2.6k
Views
Rules for moving over equality sign?
Published on
30 Mar 2026 - 12:04
#problem-solving
#boolean-algebra
98
Views
Stopping time and its probability showing $\mathbb{P}(\exists n \in \mathbb{N}_{0} : \sum_{k=1}^{n}V_{k} > a) \leq e^{-\lambda a}$
Published on
26 Mar 2026 - 16:26
#probability-theory
#stochastic-processes
#problem-solving
#stopping-times
222
Views
Given sequence of 7-digit positive numbers: $a_{1},...,a_{2017}$ with $a_{1}<a_{2}<...<a_{2017}$. Determine $a_{2017}$.
Published on
03 Oct 2019 - 3:59
#combinatorics
#contest-math
#problem-solving
364
Views
How do I solve this mushroom-related arithmetic sequence problem?
Published on
26 Mar 2026 - 19:35
#problem-solving
#arithmetic-progressions
67
Views
Find the largest number of pairs of adjacent cells such that the number in one cell of the pair divides into the other number in the pair.
Published on
05 Oct 2019 - 17:53
#optimization
#contest-math
#problem-solving
74
Views
What is the maximum value of n such that the number $n!$ can be represented as a product of $(n−3)$ consecutive positive integers?
Published on
29 Mar 2026 - 8:15
#number-theory
#contest-math
#problem-solving
#factorial
94
Views
Simplify as a fraction in lowest terms
Published on
29 Mar 2026 - 7:22
#contest-math
#problem-solving
#fractions
41
Views
If $S=\{1945, 1946, …, 2016, 2017\}$ and $A = \{a,b,c,d,e\} \subset S$ such that $5 | (a+b+c+d+e)$, calculate the number of possible $A$s.
Published on
07 Oct 2019 - 16:16
#combinatorics
#contest-math
#combinations
#problem-solving
287
Views
Find the smallest positive integer which can be expressed as the sum of four positive squares and divides $2^n +15$
Published on
07 Oct 2019 - 19:34
#elementary-number-theory
#modular-arithmetic
#contest-math
#problem-solving
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