A visual proof of the Erdos-Mordell inequality - Claudi Alsina and Roger B Nelsen We present a visual proof of a lemma that reduces theproof of the Erd"os-Mordell inequality to elementary algebra. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education