Question

16)Вычислите пределы
а) $\lim_{x \to 1} \frac{ x^{2} +x-2}{ x^{2} -1}$
b)$\lim_{x \to \infty} \frac{ 3x^{2+2} }{ x^{2} +x+1}$

Answer 1

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\