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Verified answer
Pertidaksamaan√(1 - x) < √(2x + 6)
1 - x < 2x + 6
-x - 2x < 6 - 1
-3x < 5
x > -5/3 ... (1)
Syarat lain
1 - x ≥ 0
x ≤ 1 ... (2)
2x - 6 ≥ 0
x ≥ 3 ... (3)
NiLai x yg memenuhi :
Irisan (1) (2) dan (3)
-5/3 < x ≤ 1
(√1-x)^2 < (√2x+6)^2
1-x < 2x+6
-x-2x < 6-1
-3x < 5
3x > 5
x > 5/3