\binom{n}{k} = \binom{n-1}{k} + \binom{n-1}{k-1}
Embed the image to your blog in HTML, Markdown, Textile, BBCode.
Recent Referers:
  1. http://formula.s21g.com/?%5Cbinom%7Bn%7D%7Bk%7D%20%3D%20%...
  2. http://techtipshoge.blogspot.com/2013/10/?m=0
  3. http://formula.s21g.com/
  4. http://techtipshoge.blogspot.com/2013/10/
  5. http://techtipshoge.blogspot.jp/2013/10/blog-post_458.html