作者iamOrz (I am Orz)
看板trans_math
标题Re: [微分] 94政大风管
时间Sat Dec 22 12:35:16 2007
※ 引述《bitchdog (PEaCE)》之铭言:
: use the Mean Value Theorem to prove that
: lim ( √(x+2)-√x ) = 0
: x→∞
Let f(x)=√x
f(x+2)-f(x)=(1/2√x)*2
As x->oo , (1/2√x)*2-->0
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