Question

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Answer 1

lim (2) (x²-4x+4)/(x-2)= lom (2) (x-2)²/(x-2) = lim (2) (x-2) = 2-2=0
lim (1) (x²-2x+1)/(2x-2) = lim (1) (x-1)²/2(x-1) = lim (1) (x-1)/2 = (1-1)/2=0
lim (0) ((2+x)²-4)/x = lim (0) (4+4x+x²-4)/x= lim (0) x(4+x)/x = lim (0) (4+x)= 4+0=4