Question

lim(x->1) 3x^4-4x^3+1/(x-1)^2

Answer 1

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Answer 2

$bf lim_{x to 1} frac{3x^4-4x^3+1}{(x-1)^2}=\lim_{x to 1} frac{(3x^2+2x+1)(x-1)^2}{(x-1)^2}=lim_{x to 1}(3x^2+2x+1)=3+2+1=6$