# Weinstein–Aronszajn identity

> For two suitable matrices, A and B, I+AB and I+BA have the same determinate

**Wikidata**: [Q7660749](https://www.wikidata.org/wiki/Q7660749)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Weinstein–Aronszajn_identity)  
**Source**: https://4ort.xyz/entity/weinstein-aronszajn-identity