Re: [微分] 94政大風管

[iamOrz (I am Orz)]

※ 引述《bitchdog (PEaCE)》之銘言：
: 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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