Решите неравенство _9(x+(1)/(3))-_3(x-(1)/(3)) 1.

_9(x+(1)/(3))-_3(x-(1)/(3)) 1 casesx>(1)/(3) _3(x+(1)/(3))_3(9(x-(1)/(3))^2)cases casesx>(1)/(3) x+(1)/(3) 9x^2-6x+1cases casesx>(1)/(3) 9x^2-7x+(2)/(3) 0cases casesx>(1)/(3) (1)/(9) x(2)/(3)cases (1)/(3)<x(2)/(3).

1/3 < x \leqslant 2/3