1. Let A, B, and C be as shown below. y 2x] A =|-4 [x 4] B = c= 3y 2] 5 4 a. Find 2B – CT b. Find x and y so that: 2B = C c. Find AB d. Find BA е. Find BC f. Find CB

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.3: Spanning Sets And Linear Independence
Problem 42EQ
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Solve for D and F please!!!

1.
Let A, B, and C be as shown below.
y 2x]
A =|-4
4.
41
B = \3y 2]
5
a. Find 2B – C"
b. Find x and y so that: 2B = C
с.
Find AB
d.
Find BA
е.
Find BC
f.
Find CB
g.
With numbers, a ·b = b·a and we say that multiplication is commutative. Is matrix
multiplication commutative? That is, does A · B = B · A for matrices? Explain.
Transcribed Image Text:1. Let A, B, and C be as shown below. y 2x] A =|-4 4. 41 B = \3y 2] 5 a. Find 2B – C" b. Find x and y so that: 2B = C с. Find AB d. Find BA е. Find BC f. Find CB g. With numbers, a ·b = b·a and we say that multiplication is commutative. Is matrix multiplication commutative? That is, does A · B = B · A for matrices? Explain.
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