证明:当X>1时,e^1/x>e/x

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证明:当X>1时,e^1/x>e/x证明:当X>1时,e^1/x>e/x证明:当X>1时,e^1/x>e/x另f(x)=e^1/x-e/x求导数,得到:f"(x)=-1/x^2*e^1/x+e/x^2

证明:当X>1时,e^1/x>e/x
证明:当X>1时,e^1/x>e/x

证明:当X>1时,e^1/x>e/x
另f(x)=e^1/x-e/x求
导数,得到:
f"(x)=-1/x^2*e^1/x+e/x^2
=1/x^2(e-e^1/x)
当x>1时,1/x