\(\mathop {\lim }\limits_{x \to \infty } \sqrt {{x^2} + x - 1} - x\;is

1.	\(\mathop {\lim }\limits_{x \to \infty } \sqrt {{x^2} + x - 1} - x\;is\)
A.	0
B.	∞
C.	1/2
D.	-∞
Answer» D. -∞

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\(\mathop {\lim }\limits_{x \to \infty } \sqrt {{x^2} + x - 1} - x\;is\)

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