Question

50 puncte.ex3 d si e​

Answer 1

Explicație pas cu pas:

d) |x-3| < 1

-1 < x -3 <1

2 < x <4 => x apartine multimii numerelor {3}

e) |2x+2| <0

2x +2 <0

2x< -2

x< -1 => x apartine multimii numerelor {-2 ,-3 ,-4 ,-5 .....- infinit}