Page 773 - Elementary_Linear_Algebra_with_Applications_Anton__9_edition
P. 773
(a)
(b)
(c)
(d)
Let
20.
Find
(a)
(b)
(c)
(d)
Show that
21.
(a)
(b)
In each part, solve the equation by the quadratic formula and check your results by substituting the solutions into the given
22. equation.
(a)
(b)
23.
(a) Show that if n is a positive integer, then the only possible values for are 1, −1, i, and
