I've attached the assignment with questions and the textbook pages for the questions that direct you to the textbook. I realize there are many problems so I'm willing to tip upon completion. I need all work to be shown so I can understand. AMS-210 HW2 DUE at 7 pm on Feb. 15th
February 14, 2017
Zheni Gusho will grade this HW assignment. It’s better to hand it in at the beginning of
Wednesday’s class. If you want to submit an electronic version, please sent her an email by 7
pm of Feb. 1th. Her email address is [email protected] HW consists of required
problems and optional problems. The TA will only grade the required problems. Optional
problems are left for self-practice. All the problems are valuable for preparing the exams. For
each problem, you must SHOW YOUR WORK. Problems with only ?nal answers will NOT be
given credits. You should refresh this HW document after the classes before the deadline. Once
the HW is ?nalized, an announcement will be sent.
Required Problems
1. Let
A
=
?
?
1 3 4
2 2 2
1 0 6
?
?
B
=
?
?
1 1 2
2 1 0
1 0 1
?
?
a). Find
AB
b). Find
A
T
c). Find
B
T
d). Find (
AB
)
T
e). Find (
AB
)
-
1
f). Find
A
-
1
g). Find
B
-
1
h). Find
B
-
1
A
-
1
2. Prove (
AB
)
T
=
B
T
A
T
.
3. Show that if
A
is symmetric, them
A
2
is symmetric.
4. Textbook: Section 2.6 Problem 1
5. Explain how many ?ops are involved for matrix-matrix multiplication.
6. Solve by elimination the system of two equations.
x
-
y
= 0
1
This question was answered on: Sep 21, 2023
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