Răspuns:
[tex]\frac{3an + 4}{an+ 3}[/tex] = [tex]\frac{3+4}{1+3}[/tex] = [tex]\frac{4}{1}[/tex] = 4
[tex]\frac{an - 2}{an + 2}[/tex] = [tex]\frac{1 - 1}{1 + 1}[/tex] = [tex]\frac{0}{2}[/tex] = 0
