limx→∞(1-2x)∧5(3x²+x+2)/(x-1)(2x-3)∧6
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limx→∞(1-2x)∧5(3x²+x+2)/(x-1)(2x-3)∧6
limx→∞(1-2x)∧5(3x²+x+2)/(x-1)(2x-3)∧6
limx→∞(1-2x)∧5(3x²+x+2)/(x-1)(2x-3)∧6
分子最高项次数为7,分母也为7,故等次;结果为最高次系数比:即(-2)^5*3/2^6=-3/2