1.The largest real value of xxx for which ∑k=02(2k)x2−k5k=8\sum_{k=0}^{2} \binom{2}{k} x^{2-k} 5^k = 8∑k=02(k2)x2−k5k=8 is:a.22−52\sqrt{2} - 522−5b.22+52\sqrt{2} + 522+5c.−22−5-2\sqrt{2} - 5−22−5d.−22+5-2\sqrt{2} + 5−22+5Login to continueOnly logged in users canattempt or see the solution.
