lim下标(x到正无穷)=x²/e^x,求极限,
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lim下标(x到正无穷)=x²/e^x,求极限,
lim下标(x到正无穷)=x²/e^x,求极限,
lim下标(x到正无穷)=x²/e^x,求极限,
lim{x→∝}[x^2/e^x]=lim{x→∝}[2x/e^x]=lim{x→∝}[2/e^x]=0/∝=0;