1. Find (a) A + B (b) A+C: (c) 6B: and (d) B+3C

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.5: Determinants
Problem 71E: Explain how to find the determinant of a 22 matrix.
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The (2 x 2) matrices listed in Eq. (9) are used in several
of the exercises that follow.
1
^= [23].
A
1
3
c-[72³]
C =
1 1
B =
[1]
3
00
-[:]
Z =
(9)
Transcribed Image Text:The (2 x 2) matrices listed in Eq. (9) are used in several of the exercises that follow. 1 ^= [23]. A 1 3 c-[72³] C = 1 1 B = [1] 3 00 -[:] Z = (9)
1. Find (a) A + B; (b) A+C; (c) 6B; and (d) B+3C.
Transcribed Image Text:1. Find (a) A + B; (b) A+C; (c) 6B; and (d) B+3C.
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