Question

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

score 37 · Answer 1 · 2026-04-22 18:26:05

37

Views

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

Published on 22 Apr 2026 - 18:26

score 119 · Answer 2 · 2026-03-26 01:13:33

119

Views

A problem about equilateral triangle

Published on 26 Mar 2026 - 1:13

score 344 · Answer 3 · 2026-03-26 01:13:33

344

Views

Square inscribed in a right triangle problem

Published on 26 Mar 2026 - 1:13

score 899 · Answer 4 · 2026-04-18 10:11:02

899

Views

For regular tetrahedron $ABCD$ with center $O$, and $\overrightarrow{NO}=-3\overrightarrow{MO}$, is $NA+NB+NC+ND\geq MA+MB+MC+MD$?

Published on 18 Apr 2026 - 10:11

score 126 · Answer 5 · 2026-04-17 03:42:25

126

Views

Finding angle $x$, a geometry question

Published on 17 Apr 2026 - 3:42

score 174 · Answer 6 · 2026-04-03 15:39:03

174

Views

Find locus of Q of an equalateral triangle APQ with A fixed and P moving along a line

Published on 03 Apr 2026 - 15:39

score 560 · Answer 7 · 2026-04-03 20:36:13

560

Views

Find angle in triangle $ABC$ with cevian line $AD$, such that $AB=CD$.

Published on 03 Apr 2026 - 20:36

score 743 · Answer 8 · 2026-03-26 01:09:09

743

Views

Calculating transformation matrix for perspective transform

Published on 26 Mar 2026 - 1:09

score 236 · Answer 9 · 2026-03-26 01:14:50

236

Views

mapping low dimensional space to high dimensional space injectively?

Published on 26 Mar 2026 - 1:14

score 137 · Answer 10 · 2026-04-29 12:51:39

137

Views

Olympiad math problem - Show that a pair of lines is parallel

Published on 29 Apr 2026 - 12:51

score 76 · Answer 11 · 2026-03-26 01:09:28

76

Views

Proof regarding a parallelogram and a given line segment parallel to its side

Published on 26 Mar 2026 - 1:09

score 674 · Answer 12 · 2026-05-11 00:28:32

674

Views

Prove that H is orthocentre of ABC using inversion

Published on 11 May 2026 - 0:28

score 59 · Answer 13 · 2026-03-26 02:53:14

59

Views

Question about an elementary geometric construction

Published on 26 Mar 2026 - 2:53

score 325 · Answer 14 · 2026-03-26 01:12:01

325

Views

Prove that the line $XY$ goes through a fixed point where $X,Y$ are on fixed conic so that $\angle XPY = 90$ where $P$ is fixed on the conic.

Published on 26 Mar 2026 - 1:12

score 253 · Answer 15 · 2026-03-26 01:10:27

253

Views

relative transformation of coordinates on a flat surface

Published on 26 Mar 2026 - 1:10

List Question

How the coefficient and constant change from a conic section that reflect with a line $x=3$? Where its coefficient and constant are integer.

A problem about equilateral triangle

Square inscribed in a right triangle problem

For regular tetrahedron $ABCD$ with center $O$, and $\overrightarrow{NO}=-3\overrightarrow{MO}$, is $NA+NB+NC+ND\geq MA+MB+MC+MD$?

Finding angle $x$, a geometry question

Find locus of Q of an equalateral triangle APQ with A fixed and P moving along a line

Find angle in triangle $ABC$ with cevian line $AD$, such that $AB=CD$.

Calculating transformation matrix for perspective transform

mapping low dimensional space to high dimensional space injectively?

Olympiad math problem - Show that a pair of lines is parallel

Proof regarding a parallelogram and a given line segment parallel to its side

Prove that H is orthocentre of ABC using inversion

Question about an elementary geometric construction

Prove that the line $XY$ goes through a fixed point where $X,Y$ are on fixed conic so that $\angle XPY = 90$ where $P$ is fixed on the conic.

relative transformation of coordinates on a flat surface

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