A(x)=x-5/2*x^2+83/3*x^3+16110/4*x^4-40097784/5*x^5+。。。
其中f.A(x)满足:
x/(1-x)=A(x)+A(x”)*A(7*x)/2!+A(x)*A(7*x)*A(7^2*x)/3+
A(x)*A(7*x)*A(7^2*x)*A(7^3*x)/4!+。。。
G(x)=1+7*A(x)+7^2*A(x)*A(7*x)/2+
7^3*A(x)*A(7*x)*A(7^2*x)/3+
7^4*A(x)*A(7*x)*A(7^2*x)*A(7^3*x)/4!+。。。
|