Rozwiąż nierówność.
przykłady w załączniku
1.
x 1-x
-- - ------ < 0 I*6
3 6
2x-(1-x) < 0
2x-1+x < 0
3x < 1 /:3
x = < ⅓
x ∈ (-∞; ⅓)
2.
4x-2
x - --------- ≥ x-6 I*3
3
3x-(4x-2) ≥ 3x-18
3x-4x+2 ≥ 3x-18
-x-3x ≥ -18-2
-4x ≥ -20 /:(-4)
x ≤ 5
x∈ (-∞; 5>
3.
x-⅓ x-½
------ - -------- < 1 I*6
2 3
3(x-⅓) - 2(x-½) < 6
3x-1-(2x-1) < 6
3x-1-2x+1 < 6
x < 6
x ∈ (-∞;6)
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1.
x 1-x
-- - ------ < 0 I*6
3 6
2x-(1-x) < 0
2x-1+x < 0
3x < 1 /:3
x = < ⅓
x ∈ (-∞; ⅓)
2.
4x-2
x - --------- ≥ x-6 I*3
3
3x-(4x-2) ≥ 3x-18
3x-4x+2 ≥ 3x-18
-x-3x ≥ -18-2
-4x ≥ -20 /:(-4)
x ≤ 5
x∈ (-∞; 5>
3.
x-⅓ x-½
------ - -------- < 1 I*6
2 3
3(x-⅓) - 2(x-½) < 6
3x-1-(2x-1) < 6
3x-1-2x+1 < 6
x < 6
x ∈ (-∞;6)