Помогите! 50 БАЛЛОВ.
1) (2/3)^x + (2/3)^x-1 > 5/2
2) 3^x+2 + 3^x-1 < 28
3) 6^2x-1 - 1/3 * 6^x - 4 <= 0
4) 9^x - 12 * 3^x + 27 <= 0
1) (2/3)^x + (2/3)^x-1 > 5/2
2) 3^x+2 + 3^x-1 < 28
3) 6^2x-1 - 1/3 * 6^x - 4 <= 0
4) 9^x - 12 * 3^x + 27 <= 0
Answers & Comments
Verified answer
Надеюсь, нигде не ошиблась