Question

Shrink polygon using corner coordinates

score 1.1k · Answer 1 · 2026-05-10 14:45:31

1.1k

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Shrink polygon using corner coordinates

Published on 10 May 2026 - 14:45

score 1.7k · Answer 2 · 2026-04-14 19:41:05

1.7k

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Prove that midpoints of chords passing through a certain point lie on a circle

Published on 14 Apr 2026 - 19:41

score 111 · Answer 3 · 2026-04-16 12:58:19

111

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Probabilities concerning circles within circles.

Published on 16 Apr 2026 - 12:58

score 649 · Answer 4 · 2026-04-17 02:56:56

649

Views

Find the lengths of the semi-axes of the ellipse: $5x^2 −8xy + 5y^2 = 1$.

Published on 17 Apr 2026 - 2:56

score 2.6k · Answer 5 · 2026-04-14 00:02:57

2.6k

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Equilateral triangle inscribed in an ellipse

Published on 14 Apr 2026 - 0:02

score 78 · Answer 6 · 2026-04-12 00:08:05

78

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Given a ratio, prove that a variable line passes through one fixed point

Published on 12 Apr 2026 - 0:08

score 75 · Answer 7 · 2026-05-11 01:09:14

75

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Deducing $\;\frac{{\partial}^2 f}{\partial x_i \partial x_j}=0\;\forall i\neq j\;$

Published on 11 May 2026 - 1:09

score 34 · Answer 8 · 2026-04-14 17:07:40

34

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parabola distinct value of y for each x

Published on 14 Apr 2026 - 17:07

score 257 · Answer 9 · 2026-04-13 14:46:59

257

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Prove that lines passing through the midpoints of sides of a triangle and the midpoints of cevians are also concurrent

Published on 13 Apr 2026 - 14:46

score 829 · Answer 10 · 2026-04-14 23:06:47

829

Views

Find a line parallel to two planes and intersecting two lines.

Published on 14 Apr 2026 - 23:06

score 55 · Answer 11 · 2026-04-16 14:40:07

55

Views

Vector angle with a plane

Published on 16 Apr 2026 - 14:40

score 104 · Answer 12 · 2026-04-16 03:27:18

104

Views

Find a line perpendicular to another line, intersecting a line and going through a point

Published on 16 Apr 2026 - 3:27

score 815 · Answer 13 · 2026-04-15 07:00:01

815

Views

Midpoints of diagonals of a quadrilateral and midpoint of line joining extensions of sides of the quadrilateral are collinear

Published on 15 Apr 2026 - 7:00

score 915 · Answer 14 · 2026-04-15 00:02:16

915

Views

Which normal to $y=x^2$ forms the shortest chord?

Published on 15 Apr 2026 - 0:02

score 574 · Answer 15 · 2026-05-10 14:52:43

574

Views

Plane tangent to three circles

Published on 10 May 2026 - 14:52

List Question

Shrink polygon using corner coordinates

Prove that midpoints of chords passing through a certain point lie on a circle

Probabilities concerning circles within circles.

Find the lengths of the semi-axes of the ellipse: $5x^2 −8xy + 5y^2 = 1$.

Equilateral triangle inscribed in an ellipse

Given a ratio, prove that a variable line passes through one fixed point

Deducing $\;\frac{{\partial}^2 f}{\partial x_i \partial x_j}=0\;\forall i\neq j\;$

parabola distinct value of y for each x

Prove that lines passing through the midpoints of sides of a triangle and the midpoints of cevians are also concurrent

Find a line parallel to two planes and intersecting two lines.

Vector angle with a plane

Find a line perpendicular to another line, intersecting a line and going through a point

Midpoints of diagonals of a quadrilateral and midpoint of line joining extensions of sides of the quadrilateral are collinear

Which normal to $y=x^2$ forms the shortest chord?

Plane tangent to three circles

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