证明1+1/4+1/9+1/16+++++1/(n-1)^2

问题描述:

证明1+1/4+1/9+1/16+++++1/(n-1)^2

1+1/4+1/9+1/16+…+1/(n-1)^2
=1+1/2^2+1/3^2+…+1/(n-1)^2