1) x = ± 1/3.
2) x = 0, x = 11.
Пошаговое объяснение:
1)
2) x² = 11x; x² - 11x = 0; x * (x - 11) = 0;
x = 0; x = 11.
1) x = ± 1/3.
2) x = 0, x = 11.
Пошаговое объяснение:
1)
2) x² = 11x; x² - 11x = 0; x * (x - 11) = 0;
x = 0; x = 11.
![\displaystyle \tt 1-9x^2=0\\\\ \displaystyle \tt 1=9x^2\\\\ \displaystyle \tt 9x^2=1\\\\ \displaystyle \tt x^2=\frac{1}{9}\\\\\displaystyle \tt x=б\sqrt{\frac{1}{9}}\\\\ }\displaystyle \tt \bold{x_1=\frac{1}{3}}\\\\ \displaystyle \tt \bold{x_2=-\frac{1}{3}}](/tpl/images/1087/1060/3952b.png)
2)