benchmarks.wiki

benchmarks.wiki / Public workspace

MATH / Let R be the set of real numbers. Let f:R→R be a function such that for all real numbers x and y, f(x²)+f(y²)=f(x+y)²−2xy.Let S=∑_(n=−2019)²⁰¹⁹f(n).Determine the number of possible… · Discussion

Discussing Let R be the set of real numbers. Let f:R→R be a function such that for all real numbers x and y, f(x²)+f(y²)=f(x+y)²−2xy.Let S=∑_(n=−2019)²⁰¹⁹f(n).Determine the number of possible… · 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.