Chứng minh \(\frac{1}{2^2}\)+ \(\frac{1}{3^2}\)+ \(\frac{1}{4^2}\)+ - + \(\frac{1}{2009^2}\)< 1
Loga
Toán lớp 6
Chứng minh \(\frac{1}{2^2}\)+ \(\frac{1}{3^2}\)+ \(\frac{1}{4^2}\)+ - + \(\frac{1}{2009^2}\)< 1
