Lim x +1 bằng6/39 \(\mathop {\lim }\limits_{x \to 1} \left( {x + 1} \right)\) bằng \(2.\)\(0.\)\( + \infty .\)\(1.\)Giải thíchChọn A \(\mathop {\lim }\limits_{x \to 1} \left( {x + 1} \right) = 1 + 1 = 2.\)