Question

Ayuda con mi límite Lim x-1. 2(x2-1)/x-1​

Answer 1

Explicación paso a paso:

$\\ \lim_{x \rightarrow 1} \frac{2( {x}^{2} - 1) }{x - 1} \\ \\ = \lim_{x \rightarrow 1} \frac{2(x - 1)(x + 1)}{(x - 1)} \\ \\ = \lim_{x \rightarrow 1} 2(x + 1) \\ \\ 2(1 + 1) = 2(2) = 4$