1.limx→∞(x2−2x−1−x2−7x+3)\displaystyle \lim_{x \to \infty} \left(\sqrt{x^2 - 2x - 1} - \sqrt{x^2 - 7x + 3}\right)x→∞lim(x2−2x−1−x2−7x+3) is equal toa.52\displaystyle \frac{5}{2}25b.−52\displaystyle -\frac{5}{2}−25c.000d.D.N.E.Login to continueOnly logged in users canattempt or see the solution.
