benchmarks.wiki / Public workspace

Omni-MATH / Let a,b,c and d be real numbers such that a+b+c+d=2 and ab+bc+cd+da+ac+bd=0. Find the minimum value and the maximum value of the product abcd. · Discussion

Discussing Let a,b,c and d be real numbers such that a+b+c+d=2 and ab+bc+cd+da+ac+bd=0. Find the minimum value and the maximum value of the product abcd. · Omni-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.