View Single Post
Old 2018-04-03, 12:25   #4
10metreh
 
10metreh's Avatar
 
Nov 2008

91216 Posts
Default

Quote:
Originally Posted by Dubslow View Post
Looks like the "Formula" is wrong? The "+ a(n-1)" at the beginning isn't right.
It is correct - look carefully at the brackets.
10metreh is offline   Reply With Quote