lim(x->0) (x+1)^1/2-1 /x
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lim(x->0) (x+1)^1/2-1 /x
lim(x->0) (x+1)^1/2-1 /x
lim(x->0) (x+1)^1/2-1 /x
lim(x->0) [(x+1)^1/2-1] /x
=lim(x->0) [(x+1)^1/2 -1] *[(x+1)^1/2 +1] / x *[(x+1)^1/2 +1]
=lim(x->0) (x+1 -1) / x *[(x+1)^1/2 +1]
=lim(x->0) 1 / [(x+1)^1/2 +1] 代入x=0
= 1/(1+1)
= 1/2
lim(1-x)^(2/x) x->0
lim(x->0)((2-x)/(3-x))^1/x
lim(x→0)e^x-x-1/x^2
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(1) lim(x->正无穷) x-lnx (2) lim(x->0+) cosx^1/x^2
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lim(x->0) (x+1)^1/2-1 /x
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