a (a) Find the value of a for which 1 and 4 are perpendicular. -0-0 1 0 -1 (b) If A 0 22 , calculate the determinant of A. 24 2

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.4: The Determinant Of A Square Matrix
Problem 3ECP
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(a) Find the value of a for which
1 0 -1
(b) If A 0 2
=
a
-0-0-
and
-4
24 2
are perpendicular.
2 , calculate the determinant of A.
Transcribed Image Text:(a) Find the value of a for which 1 0 -1 (b) If A 0 2 = a -0-0- and -4 24 2 are perpendicular. 2 , calculate the determinant of A.
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