1/1x3+1/3x5+1/5x7+...+1/97x99=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 22:50:48
1/1x3+1/3x5+1/5x7+...+1/97x99=?
x)370670zzz@yMR>A5v6T0 PHP HiR RU5\ȶ/.H̳9 *5f

1/1x3+1/3x5+1/5x7+...+1/97x99=?
1/1x3+1/3x5+1/5x7+...+1/97x99=?

1/1x3+1/3x5+1/5x7+...+1/97x99=?
1/1x3+1/3x5+1/5x7+...+1/97x99
=1/2(1-1/3+1/3-1/5+1/5-1/7+...+1/97-1/99)
=1/2(1-1/99)
=49/99