
哪个大神会求下面的极限过程
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解析:
x→0时,
limxe^x
=0●e^0
=0●1
=0
~~~~~~~
x→1时,
lim[2/(x²-1)-1/(x-1)]
=lim[(2-x-1)/(x²-1)]
=lim[(1-x)/(x²-1)]
=lim[-1/(x+1)]
=-1/(1+1)
=-1/2
x→0时,
limxe^x
=0●e^0
=0●1
=0
~~~~~~~
x→1时,
lim[2/(x²-1)-1/(x-1)]
=lim[(2-x-1)/(x²-1)]
=lim[(1-x)/(x²-1)]
=lim[-1/(x+1)]
=-1/(1+1)
=-1/2
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