已知函数f(x)=ax^2-Inxa=1时, g(x)=1-[f(x)/x^2] ,求证In2/(2^4)+In3/(3^4)……+Inn/(n^4)

问题描述:

已知函数f(x)=ax^2-Inx
a=1时, g(x)=1-[f(x)/x^2] ,求证In2/(2^4)+In3/(3^4)……+Inn/(n^4)