Page 779 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition
P. 779
Therefore,
Thus, for , we define
(5)
Remark To remember this formula, multiply the numerator and denominator of by :
EXAMPLE 3 Quotient in the Form
Express
in the form .
Solution and ,
From 5 with
Alternative Solution
As in the remark above, multiply numerator and denominator by the conjugate of the denominator:
