Câu 8:
Tìm giới hạn A=limx→−∞3x3+13−2x2+x+14x4+24A=\lim \limits_{x \rightarrow-\infty} \frac{\sqrt[3]{3 x^{3}+1}-\sqrt{2 x^{2}+x+1}}{\sqrt[4]{4 x^{4}+2}}A=x→−∞lim44x4+233x3+1−2x2+x+1
