Question

Determinați mulțimea :
C = {x € N| 6/x(6 supra x) € N}
C = {?}

va rog repede


​

Answer 1

Răspuns:C={X∈N/3x+2/2x+3}

3x+2/2x+3⇒3x+2=2x+3⇒3x-2x=3-2⇒x=1

x∈N

C={1}