lim x-> -1 108(x^2+2x)(x+1)^3 ____________________ (x^3+1)^3 (x-1)
[(x+1)(x^2 - x + 1)]^3 or (x+1)^3(x^2 - x + 1)^3 so you have lim(108(x^2 + 2x)/[(x^2 - x + 1)^3(x-1) as x ---> -1 = 108(1-2)/[(1 + 1 + 1)^3(-2)] = -108/-54 = 2
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