Question

Finding which complex numbers satisfy $\left|z + 1\right| + \left|z - 1\right| = 4$

score 144 · Answer 1 · 2026-04-15 23:38:24

144

Views

Finding which complex numbers satisfy $\left|z + 1\right| + \left|z - 1\right| = 4$

Published on 15 Apr 2026 - 23:38

score 157 · Answer 2 · 2026-04-15 16:02:25

157

Views

Step question, locus of points where angle of elevation to tops of flagpoles is always the same

Published on 15 Apr 2026 - 16:02

score 110 · Answer 3 · 2026-05-05 06:51:14

110

Views

What is the equation of a circle of radius say $\sqrt{40}$ moving on a parabolic path of equation say $f(x)=1/400 x^2$? ( Using Desmos)

Published on 05 May 2026 - 6:51

score 59 · Answer 4 · 2026-04-14 03:13:12

59

Views

Constant distance ratio from all points of a circumference to a point inside and outside of it

Published on 14 Apr 2026 - 3:13

score 63 · Answer 5 · 2026-04-13 22:26:38

63

Views

Finding a point inside a closed region so that the sum, or the standard deviation of the distances from the boundary to that point is minimum

Published on 13 Apr 2026 - 22:26

score 48 · Answer 6 · 2026-04-14 15:06:20

48

Views

Parametric curve with boundary conditions and "stable" coefficients

Published on 14 Apr 2026 - 15:06

score 111 · Answer 7 · 2026-04-15 23:31:19

111

Views

Understanding how the equation $(x-6)^2+(y-9)^2+ \lambda (3x-y-9)=0$ allows us to find the circle through $(0,1)$ tangent to $3x-y-9=0$ at $(6,9)$

Published on 15 Apr 2026 - 23:31

score 130 · Answer 8 · 2026-05-14 04:02:54

130

Views

Barycentric coordinates.

Published on 14 May 2026 - 4:02

score 340 · Answer 9 · 2026-04-17 00:41:26

340

Views

Find the angle given coordinates of three points

Published on 17 Apr 2026 - 0:41

score 51 · Answer 10 · 2026-05-05 06:50:31

51

Views

$3x^2+ 5xy -2y^2 = 12$ is a hyperbola. Prove the major axis lies on $y = \tan(22.5)x$

Published on 05 May 2026 - 6:50

score 629 · Answer 11 · 2026-04-14 17:38:00

Transform the equation $x^2 -2xy +y^2+x-3y$ to the axes through the point $(-1,0)$ parallel to the lines bisecting the angles between original axes.

score 34 · Answer 12 · 2026-04-11 01:50:45

34

Views

On The Properties of Proportions: Dealing with sqrt's

Published on 11 Apr 2026 - 1:50

score 77 · Answer 13 · 2026-04-12 19:40:11

77

Views

Get parabola equation given two points and the path length

Published on 12 Apr 2026 - 19:40

score 130 · Answer 14 · 2026-05-05 06:49:30

130

Views

Find the locus of the point such that...

Published on 05 May 2026 - 6:49

score 65 · Answer 15 · 2026-04-12 22:43:24

65

Views

What is the reason for this step in proving the Borsuk-Ulam Theorem (by triangulation)

Published on 12 Apr 2026 - 22:43

List Question

Finding which complex numbers satisfy $\left|z + 1\right| + \left|z - 1\right| = 4$

Step question, locus of points where angle of elevation to tops of flagpoles is always the same

What is the equation of a circle of radius say $\sqrt{40}$ moving on a parabolic path of equation say $f(x)=1/400 x^2$? ( Using Desmos)

Constant distance ratio from all points of a circumference to a point inside and outside of it

Finding a point inside a closed region so that the sum, or the standard deviation of the distances from the boundary to that point is minimum

Parametric curve with boundary conditions and "stable" coefficients

Understanding how the equation $(x-6)^2+(y-9)^2+ \lambda (3x-y-9)=0$ allows us to find the circle through $(0,1)$ tangent to $3x-y-9=0$ at $(6,9)$

Barycentric coordinates.

Find the angle given coordinates of three points

$3x^2+ 5xy -2y^2 = 12$ is a hyperbola. Prove the major axis lies on $y = \tan(22.5)x$

Transform the equation $x^2 -2xy +y^2+x-3y$ to the axes through the point $(-1,0)$ parallel to the lines bisecting the angles between original axes.

On The Properties of Proportions: Dealing with sqrt's

Get parabola equation given two points and the path length

Find the locus of the point such that...

What is the reason for this step in proving the Borsuk-Ulam Theorem (by triangulation)

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