問(wèn)答題設(shè)m次多項(xiàng)式f(x)=a0+a1x+...+amxm,記f(A)=a0E+a1A+...+amAm,f(A)稱(chēng)為方陣A的m次多項(xiàng)式,設(shè)A=P-1BP,證明Bk=PAkP-1,f(B)=Pf(A)P-1

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