Limit x=1 2x3-x-3/x+1

lim x-1 = (2x^3 - 3) / (x + 1)
lim x-1 = (2.1^3 - 3) / (1 + 1)
lim x-1 = (2 - 3) / (2)
lim x-1 = 1/2

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