Which of the two assertions were truly made by the - вопрос №921165 от азамат126 11.09.2022 12:43

Question

Другие предметы: Which of the two assertions were truly made by the author and which are made up? A) In fact, the Lexicographer’s name was always on the lips of this majestic

азамат126 · Answer

1) подставим новую переменную x^2=t 9t^2-13t+4=0 d=169-144=25=5^2 t1=13+5/18=1 t2=13-5/18=4/9 так как т =х² то х1=+-1 а х2=+-4/9  ...