Question

Determinati multimea M={x∈N/ |2x-1|<5} Dau coronita va rog e urgent

Answer 1

|2x-1| < 5 ⇔ - 5 < 2x-1 < 5 |+1 ⇔ - 4 < 2x < 6 |:2 ⇔  -2 < x < 3 ⇒ x ∈ {0,1,2} ;  x∈N ⇒ M = {0,1,2}