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Evaluate the following limit. Enter the exact answer. To enter $a?$, type sqrt(a). $x?2lim?x?2x+2??2?=$ Hint: You may want to rationalize this function by multiplying both the numerator and the denominator by $x+2?+2$.

given that limx?2x+2?2x?2 limx?2x+2?2x?2=limx?2x+2?2x?2×x+2+2x+2+2