f∧2(x)導(dǎo)數(shù) 為什么不是 2f(x)
f∧2(x)導(dǎo)數(shù) 為什么不是 2f(x)
如果把令u=f(x),那y=u∧2,y'=2u=2f(x)
如果把令u=f(x),那y=u∧2,y'=2u=2f(x)
數(shù)學(xué)人氣:210 ℃時(shí)間:2020-06-20 10:00:21
優(yōu)質(zhì)解答
復(fù)合函數(shù)的概念:一般地,對(duì)于兩個(gè)函數(shù)y=f(u)和u=g(x),如果通過(guò)變量u,y可以表示成x的函數(shù),那么稱這個(gè)函數(shù)為函數(shù)y=f(u)和u=g(x)的復(fù)合函數(shù),記做y=f(g(x)).復(fù)合函數(shù)的導(dǎo)數(shù):復(fù)合函數(shù)y=f(g(x))的導(dǎo)數(shù)和函數(shù)y=f(u),u=g(x)...
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