Question

Решите неравенство log1/3(2-3x) <-2

Answer 1

Rewenie: log1/3(2-3x)<-2 2-3x<(1/3)^-2 2-3x<9 -3x<7 x>7/3 1/3 v stepeni -2 potomu chto osnovanie logorifma vsegda idet pid chislo