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Mathematics
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Math_fun2006
  • Member for 2 years, 11 months
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7
The method of substitution in the problem of finding the integral
Jun 23
6
The number of partitions of $\{1, \ldots, n+1\}$ into subsets of nonconsecutive integers
Jun 27
5
Find the minimum of $x^2+y^2+z^2$ under several constraints
Apr 13, 2023
4
Prove that the following inequality is true for all $m \in (0, 3)$
Mar 20, 2023
3
Ji Chen's lemma
Mar 15, 2023
2
Prove $a+b+c \geq \frac{3+\sqrt{7}}{2}$ for $a,b,c \in [0, \frac32]$ with $a^2+b^2+c^2+abc=4$ [closed]
Jan 19, 2023
2
One-variable inequality
Jan 28, 2023
2
The sufficient condition for a function to be convex on the interval $[a;b]$
Sep 27, 2023
2
Find the general term formula for the sequence $(u_n)$
Nov 15, 2023
2
Nim multiplication inverse
Feb 12