Question

Va rog frumos sa mi faceti si mie problema aceasta!!! 3x+8/2x-3 apartine lui Z​

Answer 1

Explicație pas cu pas:

3x+8/2x-3€Z<=>

2x-3|3x+8=>2x-3|6x+16

2x-3|2x-3=>2x-3|6x-9

=>2x-3|6x+16-6x+9=>2x-3|25 =>2x-3€D25 in Z =>

2x-3€{-25,-5,-1,1,5,25} =>

2x€{-22,-2,2,4,8,28} =>

x€{-11,-1,1,2,4,14} =>B={-11,-1,1,2,4,14}