|2x-1|>2
am nevoie urgent..
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Răspuns:
Explicație pas cu pas:
| 2x -1 | > 2
a)
+(2x-1) > 2∈(2/
2x > 2+1
x > 3/2
x∈ (3/2 , +∞ )
b)
- (2x-1) > 2∈(2/
- 2x > 2- 1
- 2x > 1/2
x< -1/2
x∈ (-∞, -1/2 )