有兩個(gè)根.f(0)=f(1)=f(2)=f(3),則存在0-1,1-2,2-3之間各存在一點(diǎn)a,b,c使得f‘(x)=0,即
f’(a)=f’(b)=f’(c)=0,同理則在a-b即b-c之間各存一點(diǎn)使得f‘’(x)=0,
所以二階導(dǎo)有兩個(gè)實(shí)數(shù)根
設(shè)函數(shù)f(x)=x(x-1)(x-2)(x-3),則f''(x)=0有幾個(gè)實(shí)數(shù)根
設(shè)函數(shù)f(x)=x(x-1)(x-2)(x-3),則f''(x)=0有幾個(gè)實(shí)數(shù)根
是f(x)的二階導(dǎo)有幾個(gè)實(shí)數(shù)根,
是f(x)的二階導(dǎo)有幾個(gè)實(shí)數(shù)根,
其他人氣:576 ℃時(shí)間:2020-06-13 14:11:18
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