From c6a24af52dda2ca70009594bb7d416700b1fa68d Mon Sep 17 00:00:00 2001 From: Antti H S Laaksonen Date: Wed, 17 May 2017 21:26:10 +0300 Subject: [PATCH] Small fix --- chapter01.tex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/chapter01.tex b/chapter01.tex index 5428966..bb2aadc 100644 --- a/chapter01.tex +++ b/chapter01.tex @@ -600,7 +600,7 @@ For example, This formula can be derived as follows. Let \[ S = a + ak + ak^2 + \cdots + b .\] -By multiplying both sides by $x$, we get +By multiplying both sides by $k$, we get \[ kS = ak + ak^2 + ak^3 + \cdots + bk,\] and solving the equation \[ kS-S = bk-a\]