lim(x趨向于0)f''(x)/|x|=1
故在0的附近)f''(x)>0,故曲線是凹的,所以：f(0)是f(x)的極小值
設(shè)f(x)有二階連續(xù)導(dǎo)數(shù)且f'(0)=0,lim(x趨向于0)f''(x)/|x|=1則
設(shè)f(x)有二階連續(xù)導(dǎo)數(shù)且f'(0)=0,lim(x趨向于0)f''(x)/|x|=1則
f(0)是f(x)的極大值還是極小?為什么?
f(0)是f(x)的極大值還是極小?為什么?
數(shù)學(xué)人氣：490 ℃時(shí)間：2019-08-20 01:31:48
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