Page 786 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition
P. 786
Prove:
26.
(a)
(b)
(c)
(d)
27. .
(a) Prove that
(b) (b) Prove that if n is a positive integer, then .
(c) Is the result in part (b) true if n is a negative integer? Explain.
In Exercises 28–31 solve the system of linear equations by Cramer's rule.
28.
29.
30.
31.
In Exercises 32 and 33 solve the system of linear equations by Gauss–Jordan elimination.
32.
33.
Solve the following system of linear equations by Gauss–Jordan elimination.
34.
