benchmarks.wiki / Public workspace

MATH / Let O be the center and let F be one of the foci of the ellipse 25x²+16y²=400. A second ellipse, lying inside and tangent to the first ellipse, has its foci at O and F. What is the… · Discussion

Discussing Let O be the center and let F be one of the foci of the ellipse 25x²+16y²=400. A second ellipse, lying inside and tangent to the first ellipse, has its foci at O and F. What is the… · MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.