Question

Show that the Plane $P:ax+by+cz=0$ cuts the Cone $C:xy+yz+zx=0$ in perpendicular lines if $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=0$

score 2.4k · Answer 1 · 2026-04-15 11:15:38

2.4k

Views

Show that the Plane $P:ax+by+cz=0$ cuts the Cone $C:xy+yz+zx=0$ in perpendicular lines if $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=0$

Published on 15 Apr 2026 - 11:15

score 94 · Answer 2 · 2026-04-17 05:14:47

94

Views

Can an ellipse inscribed in a circle have a constant ratio of chords?

Published on 17 Apr 2026 - 5:14

score 29 · Answer 3 · 2026-04-12 19:42:47

29

Views

Conic sections appendix

Published on 12 Apr 2026 - 19:42

score 260 · Answer 4 · 2026-04-12 17:32:44

260

Views

Ellipse inscribed in a circle

Published on 12 Apr 2026 - 17:32

score 234 · Answer 5 · 2026-04-15 03:26:42

234

Views

Generally speaking , what does the discriminant for a pair of straight lines evaluate too?

Published on 15 Apr 2026 - 3:26

score 1.1k · Answer 6 · 2026-04-16 15:11:26

1.1k

Views

Variable pairs of chords at right angles are drawn through a point $P$ (with eccentric angle $\pi/4$) on the ellipse.

Published on 16 Apr 2026 - 15:11

score 48 · Answer 7 · 2026-04-08 22:37:57

48

Views

Considering scaling factor in infinite approximations

Published on 08 Apr 2026 - 22:37

score 220 · Answer 8 · 2026-04-14 11:58:41

220

Views

Axes-based equations of conics

Published on 14 Apr 2026 - 11:58

score 51 · Answer 9 · 2026-04-15 07:38:03

51

Views

Chord of contact from point on asymptote to hyperbola

Published on 15 Apr 2026 - 7:38

score 67 · Answer 10 · 2026-04-14 18:09:33

67

Views

tangent value at a point of an hyperbola

Published on 14 Apr 2026 - 18:09

score 94 · Answer 11 · 2026-04-16 15:18:50

94

Views

What properties do have odd quadratic parabola and even cubic parabola? Were they ever described?

Published on 16 Apr 2026 - 15:18

score 165 · Answer 12 · 2026-04-14 10:55:37

165

Views

Calculating the eccentricity for the ellipse.

Published on 14 Apr 2026 - 10:55

score 291 · Answer 13 · 2026-04-13 12:13:04

291

Views

Finding out the perimeter of the ellipse?

Published on 13 Apr 2026 - 12:13

score 59 · Answer 14 · 2026-04-13 07:53:26

59

Views

perimeter of an ellipse: values required for verification of precision of a function

Published on 13 Apr 2026 - 7:53

score 254 · Answer 15 · 2026-04-12 15:44:27

254

Views

Parametric equation of ellipse, why is radius not variable?

Published on 12 Apr 2026 - 15:44

List Question

Show that the Plane $P:ax+by+cz=0$ cuts the Cone $C:xy+yz+zx=0$ in perpendicular lines if $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=0$

Can an ellipse inscribed in a circle have a constant ratio of chords?

Conic sections appendix

Ellipse inscribed in a circle

Generally speaking , what does the discriminant for a pair of straight lines evaluate too?

Variable pairs of chords at right angles are drawn through a point $P$ (with eccentric angle $\pi/4$) on the ellipse.

Considering scaling factor in infinite approximations

Axes-based equations of conics

Chord of contact from point on asymptote to hyperbola

tangent value at a point of an hyperbola

What properties do have odd quadratic parabola and even cubic parabola? Were they ever described?

Calculating the eccentricity for the ellipse.

Finding out the perimeter of the ellipse?

perimeter of an ellipse: values required for verification of precision of a function

Parametric equation of ellipse, why is radius not variable?

Trending Questions

Popular # Hahtags

Popular Questions