benchmarks.wiki / Public workspace

MATH / Let a, b, c be three vectors such that ‖a‖=(1)/(√(2)), ‖b‖=(1)/(√(3)), ‖c‖=(1)/(√(6)), ‖a+b+c‖=1, and a=k(b×c)for some scalar k. Find the angle between b and c, in degrees. · Discussion

Discussing Let a, b, c be three vectors such that ‖a‖=(1)/(√(2)), ‖b‖=(1)/(√(3)), ‖c‖=(1)/(√(6)), ‖a+b+c‖=1, and a=k(b×c)for some scalar k. Find the angle between b and c, in degrees. · 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.