Question

Va rog mult dau 5 stele!!!​

Answer 1

Explicație pas cu pas:

a). A: -3<1-2x<11 |-1 => -4<-2x<10 |:(-2) => 4>x>-5 =>A(-5,4)

B: 1/2<x+2/6<5/3 => 2/6<x+2/6<10/6 |×6 => 2<x+2<10 |-2 => 0<x<8 => B[0,8]

b). AUB= (-5,8]

AnB= [0,4)

A/B= (-5,0]