List questions from systems-of-equations

Published on 23 Apr 2018 - 9:37

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System of Equations with 4 variables and 4 equations

Published on 23 Apr 2018 - 22:17

399

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Find distinct real numbers satisfying $\frac{xy}{x-y} = \frac{1}{30}$ and $\frac{x^2y^2}{x^2+y^2} = \frac{1}{2018}$

Published on 22 Mar 2026 - 11:08

78

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Construct System of Equations

Published on 24 Apr 2018 - 10:57

809

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Solving a system of equations in a Lagrange multiplier

Published on 25 Mar 2026 - 1:23

72

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solving $ f(x,y,z) = \beta_{111} x y z$

Published on 25 Mar 2026 - 22:10

71

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Given $3$ equations with parameters $a, b, c$, evaluate $a^2+b^2+c^2$

Published on 25 Apr 2018 - 7:00

50

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Given the span of S, as S is a plane going through (0, 0, 0). Prove S is the solution space of a cubic equation of the form $ax+by+cz=0$

Published on 27 Mar 2026 - 21:36

200

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Solve system of equations: $7^{\log_3\sqrt{x}}-3^{\log_{81}y}=4 \land 7^{\log_3x}-3^{\log_9y}=40$

Published on 25 Apr 2018 - 16:58

1.2k

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underdetermined system of equations

Published on 25 Apr 2018 - 17:55

1.5k

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Easiest way to check whether the number is prime or not

Published on 23 Mar 2026 - 5:36

759

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Using Cholesky decomposition to solve a system of equaions $A^TAx=b$

Published on 22 Mar 2026 - 10:43

60

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How to solve a circulant system of inequalities?

Published on 22 Mar 2026 - 15:23

267

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Solving systems of equations in 3 variables

Published on 26 Apr 2018 - 18:33

151

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Algorithm for solving simultaneous nonlinear noninvertible equations

Published on 25 Mar 2026 - 14:19

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Calculate commission - Rates decrease when turnover increase

System of Equations with 4 variables and 4 equations

Find distinct real numbers satisfying $\frac{xy}{x-y} = \frac{1}{30}$ and $\frac{x^2y^2}{x^2+y^2} = \frac{1}{2018}$

Construct System of Equations

Solving a system of equations in a Lagrange multiplier

solving $ f(x,y,z) = \beta_{111} x y z$

Given $3$ equations with parameters $a, b, c$, evaluate $a^2+b^2+c^2$

Given the span of S, as S is a plane going through (0, 0, 0). Prove S is the solution space of a cubic equation of the form $ax+by+cz=0$

Solve system of equations: $7^{\log_3\sqrt{x}}-3^{\log_{81}y}=4 \land 7^{\log_3x}-3^{\log_9y}=40$

underdetermined system of equations

Easiest way to check whether the number is prime or not

Using Cholesky decomposition to solve a system of equaions $A^TAx=b$

How to solve a circulant system of inequalities?

Solving systems of equations in 3 variables

Algorithm for solving simultaneous nonlinear noninvertible equations

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