2SUYEONKHIM(1).Sincea;b;c;d0,thediscriminantisnonnegative,sotherootso - PPT Presentation
22ad2
4adbcandad
2isnonnegativeBj0BjIfBhasstrictlypositiveentriesthenad
2isstrictlypositiveandthedominationisstrict2IfBhasstrictlypositiveentriesthenthediscriminantisgr ID: 137403