Question

Find unknown vector knowing products of its subsets

score 18 · Answer 1 · 2026-04-16 08:40:22

18

Views

Find unknown vector knowing products of its subsets

Published on 16 Apr 2026 - 8:40

score 47 · Answer 2 · 2026-04-14 12:54:26

47

Views

A painful system of symmetric equations

Published on 14 Apr 2026 - 12:54

score 277 · Answer 3 · 2026-04-14 10:04:25

277

Views

How to know if there are real solutions or not?

Published on 14 Apr 2026 - 10:04

score 43 · Answer 4 · 2026-04-12 17:30:58

43

Views

System of 3 non-linear equations in 3 unknowns - sum and product of solutions without needing to actually solve?

Published on 12 Apr 2026 - 17:30

score 32 · Answer 5 · 2026-04-25 01:23:04

32

Views

$f(x) = \sum_{j=1}^{4}c_{j}e^{r_{j}x} \quad \text{and} \quad g(x) = \sum_{j=1}^{4}d_{j}e^{s_{j}x}$. How to determine $c_{j},d_{j}$?

Published on 25 Apr 2026 - 1:23

score 80 · Answer 6 · 2026-04-14 14:20:23

80

Views

How would one solve a system of 4 equations with 4 variables, where the variables multiply each other

Published on 14 Apr 2026 - 14:20

score 90 · Answer 7 · 2026-04-09 12:13:10

90

Views

If $a+b+c=x+y+z=ax+by+cz=0$, then find value of $\frac{a^2}{a^2+b^2+c^2}+\frac{x^2}{x^2+y^2+z^2}$

Published on 09 Apr 2026 - 12:13

score 29 · Answer 8 · 2026-04-09 17:21:49

29

Views

Optimization - confused with missing variable in the solution provided

Published on 09 Apr 2026 - 17:21

score 24 · Answer 9 · 2026-04-15 15:21:09

24

Views

Proving sufficient boundary conditions for system of pde

Published on 15 Apr 2026 - 15:21

score 25 · Answer 10 · 2026-03-25 07:44:47

25

Views

Conditions for Existence of the Solution of an Infinite System of Linear Equations Represented by Block Matrices

Published on 25 Mar 2026 - 7:44

score 40 · Answer 11 · 2026-04-11 02:02:44

40

Views

What is the simple reason why there is no simple solution to a system of quadratic equations?

Published on 11 Apr 2026 - 2:02

score 32 · Answer 12 · 2026-04-12 21:19:23

32

Views

Two ways to write a general solution of a system of linear equations.

Published on 12 Apr 2026 - 21:19

score 71 · Answer 13 · 2026-04-13 00:12:07

71

Views

How to solve these trigonometry system of equations?

Published on 13 Apr 2026 - 0:12

score 127 · Answer 14 · 2026-04-25 03:04:52

127

Views

Solve the equation $\left(\frac{1+\sqrt{1-x^2}}{2}\right)^{\sqrt{1-x}} = (\sqrt{1-x})^{\sqrt{1-x}+\sqrt{1+x}}$

Published on 25 Apr 2026 - 3:04

score 215 · Answer 15 · 2026-04-13 23:23:22

215

Views

Prove these equations have only zero solution.

Published on 13 Apr 2026 - 23:23

List Question

Find unknown vector knowing products of its subsets

A painful system of symmetric equations

How to know if there are real solutions or not?

System of 3 non-linear equations in 3 unknowns - sum and product of solutions without needing to actually solve?

$f(x) = \sum_{j=1}^{4}c_{j}e^{r_{j}x} \quad \text{and} \quad g(x) = \sum_{j=1}^{4}d_{j}e^{s_{j}x}$. How to determine $c_{j},d_{j}$?

How would one solve a system of 4 equations with 4 variables, where the variables multiply each other

If $a+b+c=x+y+z=ax+by+cz=0$, then find value of $\frac{a^2}{a^2+b^2+c^2}+\frac{x^2}{x^2+y^2+z^2}$

Optimization - confused with missing variable in the solution provided

Proving sufficient boundary conditions for system of pde

Conditions for Existence of the Solution of an Infinite System of Linear Equations Represented by Block Matrices

What is the simple reason why there is no simple solution to a system of quadratic equations?

Two ways to write a general solution of a system of linear equations.

How to solve these trigonometry system of equations?

Solve the equation $\left(\frac{1+\sqrt{1-x^2}}{2}\right)^{\sqrt{1-x}} = (\sqrt{1-x})^{\sqrt{1-x}+\sqrt{1+x}}$

Prove these equations have only zero solution.

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