Question

Cine poate sa ma ajute la acest exercitiu.A={x€N/(x+1)|5}

Answer 1

(x+1)divide5⇒x+1∈D₅(1,5,-1,-5)
⇒X+1=1⇒X=1-1⇒X=0
X+1=5⇒X=5-1⇒X=4
X+1=-1⇒X=-1-1=-2 NU  ESTESOLUTIE
X+1=-5⇒X=-5-1⇒-6 NU ESTE SOLUTIE