Question

lim raiz quadrada de x(x-1) tendendo a x----- -2

Answer 1

temos do enunciado que:

$\lim_{x \to -2} \sqrt{x(x-1)} -\ \textgreater \ \lim_{x \to -2} \sqrt{ x^{2} -x}-\ \textgreater \ \lim_{x \to -2} \sqrt{ (-2)^{2} -(-2)}$$\lim_{x \to -2} \sqrt{ (4+4)} -\ \textgreater \ \lim_{x \to -2} \sqrt{ 8} =2 \sqrt{2}$