证明1/(2方)+1/(3方)...+1/(100的平方)
问题描述:
证明1/(2方)+1/(3方)...+1/(100的平方)
数学人气:618 ℃时间:2020-04-08 15:45:25
优质解答
1/2² +1/3²+...+1/100²
=(1-1/2) +(1/2 -1/3) +...+(1/99 -1/100)
=1-1/100=99/100
所以
1/2² +1/3²+...+1/100²
=(1-1/2) +(1/2 -1/3) +...+(1/99 -1/100)
=1-1/100=99/100
所以
1/2² +1/3²+...+1/100²
答
1/2² +1/3²+...+1/100²
=(1-1/2) +(1/2 -1/3) +...+(1/99 -1/100)
=1-1/100=99/100
所以
1/2² +1/3²+...+1/100²