例如:A(x)=x+5*x^2/2!+70*x^3/3!+1775*x^4/4!+66175*x^5/5!+3283475*x^6/6!+204594175*x ^ 7/7!+15411893450*x^8/8!+1366394303500*x ^ 9/9!+139767921720875*x ^10/10!+16243630181913625*x^11/11!+2118892887756520250*x^12/12!+。。。
设G(x)=积分A(x)dx,则A(x-3*G(x
G(x)=x^2/2!+5*x^3/3!+70*x^4/4!+1775*x^5/5!+66175*x^6/6!+3283475*x^7/7!+204594175*x ^8/8!+15411893450*x ^ 9/9!+1366394303500*x ^10/10!+139767921720875*x ^11/11!+16243630181913625*x ^12/12!+。。。
此外,A(x)=x+5*G((3*A(x,+2*x)/5)。
相关系列。
我们有(3*A(x)+2*x)/5=级数_反转(x-积分3*A
(3*A(x)+2*x)/5=x+3*x^2!+42*x^3/3!+1065*x^4/4!+39705*x^5/5!+1970085*x^6/6!+122756505*x^7/7!+9247136070*x ^8/8!+819836582100*x ^ 9/9!+83860753032525*x ^10/10!+9746178109148175*x ^11/11!+1271335732653912150*x ^12/12!+。。。
此外,A((3*A(x)+2*x)/5)=(A'(x)-1)/(3*A'(x)+2),它从
A((3*A(x)+2*x)/5)=x+8*x^2/2!+157*x ^3/3!+5075*x^4/4!+230905*x^5/5!+13636085*x^6/6!+994743280*x ^ 7/7!+86697077570*x^8/8!+8813260716925*x ^ 9/9!+1026216275720525*x^10/10!+134948279040712300*x^11/11!+19814992125974741525*x^12/12!+。。。
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