Выполни задание и заполни пропуски

Реши неравенства:

1. \(2^{-x^2+3x}\gt1\) ;
2. \(\Big(\dfrac{15}{11}\Big)^{x^2-3x}\lt\dfrac{121}{225}\) ;
3. \(\Big(1\dfrac{1}{5}\Big)^{6x^2+x}\lt1\dfrac{11}{25}\) .

Ответ:

1. \(x\in (\) [ ] \()\) ;
2. \(x\in (\) [ ] \()\) ;
3. \(x\in (\) [ ] \()\) .