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Top Questions
21
votes
Related to greatest prime number that divides $n.$
elementary-number-theory
prime-numbers
asked Dec 14 '13 at 8:35
math.stackexchange.com
11
votes
Express $f_n(x)=\cos{(n\arccos{x})}$ as a polynomial.
calculus
asked Dec 22 '17 at 13:30
math.stackexchange.com
7
votes
The number of solutions to $\cos^2{x}=\cos{2x}.$
trigonometry
asked Apr 30 '17 at 9:49
math.stackexchange.com
7
votes
Equation with seven unknowns
elementary-number-theory
diophantine-equations
asked Dec 7 '13 at 13:01
math.stackexchange.com
7
votes
Question about equilibrium points of non-linear system of ODEs.
ordinary-differential-equations
asked May 29 '19 at 16:35
math.stackexchange.com
6
votes
Minimize $152207x-81103y$ over the positive integers.
elementary-number-theory
discrete-mathematics
modular-arithmetic
divisibility
linear-diophantine-equations
asked Feb 4 '19 at 18:10
math.stackexchange.com
6
votes
Analytical solution to system of linear ODE's
ordinary-differential-equations
asked May 23 '19 at 22:46
math.stackexchange.com
5
votes
Sphere on top of a cone. Maximum volume?
calculus
geometry
asked Jun 3 '17 at 16:29
math.stackexchange.com
5
votes
System of equations with 4 unknowns.
algebra-precalculus
asked Jun 14 '17 at 7:01
math.stackexchange.com
5
votes
Integer solutions for $\frac{1}{x}+\frac{1}{y}+\frac{1}{z}+\frac{1}{xy}+\frac{1}{yz}+\frac{1}{zx}+\frac{1}{xyz}=1$
algebra-precalculus
elementary-number-theory
asked Jun 15 '17 at 20:15
math.stackexchange.com
1
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Top Answers
5
How to find the number of solutions to this equation $\ln(x+2)=e^x-2 $?
math.stackexchange.com
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