3) a) Given; A = 7 11 [4 2. (ii) (iii) B Use the above matrices to find the following: (i) BC ACT 2C-10A [6 10 4 151 9 1 12 251] Given that H =| b -2 b) Two matrices H and M are said to be similar/identical. [x+2 -4 3 (i) (ii) and C = 11 9 6 40 m -9 and 5 с 6 8 51 c) Given that A = 3 4 1 [403] (i) Calculate the values for m and x. m M = 7 L-2 -4 v+x] -9 14 d-c d Calculate values for the cofactors C31, C32 and C33- Hence or otherwise, determine |A|. d) Use the below system of equations to answer the following: 12x - 3y = 57 4x+10y = 30 From the matrix form for the system of equations above, find A-¹.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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[3
3) a) Given; A = 7
L4
0
11
2
Given that H =
B =
[6
10 4
L9 1 12
Use the above matrices to find the following:
(i)
BC
(ii)
ACT
(iii)
2C-10A
(i)
(ii)
151
25.
b) Two matrices H and M are said to be similar/identical.
[x+2 -4 3
b
m -9 and
-2 5 с
[68 51
c) Given that A = 3 4 1
L4
0 3
and C=11
(i) Calculate the values for m and x.
7 171
9
6 40]
m
M = 7
-2
-4
d-c
d
v+x
-9
14
Calculate values for the cofactors C31, C32 and C33.
Hence or otherwise, determine |A|.
d) Use the below system of equations to answer the following:
12x-3y = 57
4x+10y = 30
From the matrix form for the system of equations above, find A-¹.
Transcribed Image Text:[3 3) a) Given; A = 7 L4 0 11 2 Given that H = B = [6 10 4 L9 1 12 Use the above matrices to find the following: (i) BC (ii) ACT (iii) 2C-10A (i) (ii) 151 25. b) Two matrices H and M are said to be similar/identical. [x+2 -4 3 b m -9 and -2 5 с [68 51 c) Given that A = 3 4 1 L4 0 3 and C=11 (i) Calculate the values for m and x. 7 171 9 6 40] m M = 7 -2 -4 d-c d v+x -9 14 Calculate values for the cofactors C31, C32 and C33. Hence or otherwise, determine |A|. d) Use the below system of equations to answer the following: 12x-3y = 57 4x+10y = 30 From the matrix form for the system of equations above, find A-¹.
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