(√13 - 4) (x + 1) ≥ 0
(9x - 1)/2 - (4x + 3)/3 > 2
2,(1) + x ≥ 1/9
x + 1 ≤ 0
3·(9x - 1) - 2·(4x + 3) > 12
2 + 1/9 + x ≥ 1/9
x ≤ -1
27x - 3 - 8x - 6 > 12
x ≥ -2
-2 ≤ x ≤ -1
19x > 21
x > 21/19
x ∈ ∅
Ответ: 4) - нет решений.
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Answers & Comments
(√13 - 4) (x + 1) ≥ 0
(9x - 1)/2 - (4x + 3)/3 > 2
2,(1) + x ≥ 1/9
x + 1 ≤ 0
3·(9x - 1) - 2·(4x + 3) > 12
2 + 1/9 + x ≥ 1/9
x ≤ -1
27x - 3 - 8x - 6 > 12
x ≥ -2
-2 ≤ x ≤ -1
19x > 21
-2 ≤ x ≤ -1
x > 21/19
x ∈ ∅
Ответ: 4) - нет решений.