Question

Elementele mulțimii M={x|x€Z,-5<2x-3<1} sunt ... .

va rog, repede, dau coroana!​

Answer 1

Răspuns:

M={x|x€Z,-5<2x-3<1}

-5<2x-3

2x-3>-5

2x>3-5

2x>-2

x>-2:2

x>-1

2x-3<1

2x<1+3

2x<4

x<4:2

x<2

x>-1

x<2

x€Z

⇒ M={0, 1}