代數(shù)函數(shù) dài shù hán shù
如果函數(shù)y=f(x)滿足關(guān)系: P0(x)yn+P1(x)yn-1+…+Pn(x)=0, 其中n是正整數(shù),P0(x),P1(x),…,Pn(x)都是x的多項(xiàng)式,且P0(x)0,則稱f(x)為x的代數(shù)函數(shù)。例如,*有理函數(shù)是代數(shù)函數(shù),又如也是代數(shù)函數(shù)。
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代數(shù)函數(shù) dài shù hán shù
如果函數(shù)y=f(x)滿足關(guān)系: P0(x)yn+P1(x)yn-1+…+Pn(x)=0, 其中n是正整數(shù),P0(x),P1(x),…,Pn(x)都是x的多項(xiàng)式,且P0(x)0,則稱f(x)為x的代數(shù)函數(shù)。例如,*有理函數(shù)是代數(shù)函數(shù),又如也是代數(shù)函數(shù)。