" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
- 7 < 2x + 1 < 7
- 8 < 2x < 6
- 4 < x < 3
2) √(x + 3) > √(12 - 2x)
syarat akar:
x + 3 ≥ 0
x ≥ - 3
12 - 2x ≥ 0
- 2x ≥ - 12
x ≤ 6
kuadratkan kedua ruas:
x + 3 > 12 - 2x
3x > 9
x > 3
HP: {x | 3 < x ≤ 6, x ∈ R}