求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?
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求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?求x趋于0时lim(e^1/x+1)
求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?
求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?
求x趋于0时lim(e^1/x+1)/(e^1/x-1)arctan1/x的极限?
严格解答如下:
lim(e^1/x+1)/(e^1/x-1)arctan1/x
=lime^(1/x+1+1/x-1)arctan1/x
=lime^(2x/x²-1)arctan1/x
=e^0×π/2
=π/2
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