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1) 4x- 3x^2 > 0
3x^2 - 4x < 0
x(3x - 4) < 0
x > 0 atau x < 4/3
0 < x < 4/3
2) 4x - 3x² ≠ 1
4x - 3x² -1 ≠ 0
3x² - 4x + 1 ≠ 0
(3x -1)(x-1) ≠ 0
x ≠ 1/3 atau x ≠ 1
HP
0 < x < 1/3 , 1/3 < x < 1 , 1 < x < 4/3