Find the condition that one of the lines given by `ax^2+2hxy+by^2=0` may coincide

preview_player
Показать описание
Find the condition that one of the lines given by `ax^2+2hxy+by^2=0` may coincide with one of the lines given by `a' x^2 +2h'xy+b'y^2=0`
Рекомендации по теме