\frac{1}{\ln r}\left(\sum_{i=1}^MP_i-\sum_{i=1}^Mq_i\right)=\frac{1}{\ln r}\left(1-\sum_{i=1}^Mq_i\right)\ge1
Embed the image to your blog in HTML, Markdown, Textile, BBCode.
Recent Referers:
  1. http://blog.hatena.ne.jp/maekawa_yoshimiki_1119/maekawa-y...
  2. http://blog.hatena.ne.jp/maekawa_yoshimiki_1119/maekawa-y...