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Mar
23
accepted Reduce with Integer domain, but receive a rational solution
Mar
5
accepted How to find the complex number has least and greatest modul satisfying a given condition?
Feb
11
accepted How to substitute the following conditions into an expression?
Jan
15
accepted Find all values of the paramaters $m$ for which the equation has four roots smaller 2
Dec
20
accepted How can I find the sum of the even digits of a number of all elements of a list?
Dec
12
accepted How to convert this answer into $\ln$ form?
Dec
11
accepted How to solve this combination equation?
Nov
19
accepted How to select three points $A$, $B$, $C$ from the following list so that the circle passing $A$, $B$, $C$ has centre $(1,2,3)$?
Oct
10
accepted How can I get the exact solution of this equation (inequality equation)?
Oct
3
accepted How to get a list of pairs into the form $(x,y)$?
Sep
15
accepted Is there a triangle like this?
Sep
8
accepted How to find the numbers $a$, $b$, $c$, $d$ of the function?
Jul
24
accepted $1 - \sqrt{5}$ $\in$ $\mathbf{R}$?
Jul
19
accepted How can I find all values of $m$ such that my cubic equation has three different positive solutions?
Jun
24
accepted How to choose three points on the circle so that the triangle is not a right triangle?
May
29
accepted How to get the correct answer when solve this equation?
May
6
accepted How to convert the symbol $d$ in Integrate into $\mathrm{d}$?
Apr
28
accepted How to find the minimum of this constrained expression?
Apr
23
accepted How to delete duplicate solutions of this system of equations?
Apr
22
accepted How to solve this equation with integers as a solution?