Question

How to find the orthogonal trajectories of the family of all the circles through the points $(1,1)$ and $(-1,-1)$?

score 8.9k · Answer 1 · 2026-04-11 22:10:04

8.9k

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How to find the orthogonal trajectories of the family of all the circles through the points $(1,1)$ and $(-1,-1)$?

Published on 11 Apr 2026 - 22:10

score 9k · Answer 2 · 2026-04-12 05:19:36

9k

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Equation of a circle given two points and tangent line

Published on 12 Apr 2026 - 5:19

score 2.6k · Answer 3 · 2026-04-14 12:03:09

2.6k

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find the equation to the circle circumscribing the quadrilateral formed by the straight lines

Published on 14 Apr 2026 - 12:03

score 3.2k · Answer 4 · 2026-04-14 12:11:50

3.2k

Views

find the equation of the circle passing through the extremities of the diameter of the circle

Published on 14 Apr 2026 - 12:11

score 2.9k · Answer 5 · 2026-04-09 20:10:36

2.9k

Views

Rotation in 3D (coordinate system transformation)

Published on 09 Apr 2026 - 20:10

score 150 · Answer 6 · 2026-04-16 00:42:38

150

Views

Prove that the perpendiculars from P,Q,R to BC,CA,AB respectively are also concurrent.

Published on 16 Apr 2026 - 0:42

score 4.3k · Answer 7 · 2026-04-23 09:31:48

4.3k

Views

Ellipse: product of the distance from foci to a tangent is a constant

Published on 23 Apr 2026 - 9:31

score 1.4k · Answer 8 · 2026-04-12 02:38:12

1.4k

Views

Using the Invariant Principle to prove a coordinate can't be reached

Published on 12 Apr 2026 - 2:38

score 651 · Answer 9 · 2026-04-23 09:09:23

651

Views

hyperbolic orbits, deriving in cartesian coordinates

Published on 23 Apr 2026 - 9:09

score 6.7k · Answer 10 · 2026-03-27 03:44:33

6.7k

Views

A point P moves so that AP and BP are perpendicular. Find the equation of the locus of P

Published on 27 Mar 2026 - 3:44

score 199 · Answer 11 · 2026-04-14 14:25:49

199

Views

Altitudes of a hyperbola

Published on 14 Apr 2026 - 14:25

score 122 · Answer 12 · 2026-04-10 00:42:22

122

Views

Equation of circumscribing circle

Published on 10 Apr 2026 - 0:42

score 856 · Answer 13 · 2026-04-10 06:12:53

856

Views

affine transformation of triangle

Published on 10 Apr 2026 - 6:12

score 164 · Answer 14 · 2026-04-23 09:08:45

164

Views

Locus Problem .

Published on 23 Apr 2026 - 9:08

score 131 · Answer 15 · 2026-04-15 04:02:27

131

Views

find equation of a plane P containing 2 points and parallel to a cross vector

Published on 15 Apr 2026 - 4:02

List Question

How to find the orthogonal trajectories of the family of all the circles through the points $(1,1)$ and $(-1,-1)$?

Equation of a circle given two points and tangent line

find the equation to the circle circumscribing the quadrilateral formed by the straight lines

find the equation of the circle passing through the extremities of the diameter of the circle

Rotation in 3D (coordinate system transformation)

Prove that the perpendiculars from P,Q,R to BC,CA,AB respectively are also concurrent.

Ellipse: product of the distance from foci to a tangent is a constant

Using the Invariant Principle to prove a coordinate can't be reached

hyperbolic orbits, deriving in cartesian coordinates

A point P moves so that AP and BP are perpendicular. Find the equation of the locus of P

Altitudes of a hyperbola

Equation of circumscribing circle

affine transformation of triangle

Locus Problem .

find equation of a plane P containing 2 points and parallel to a cross vector

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