NAME:
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Math-221-002 : Linear Algebra
February 20th, 2009
QUIZ n.4
Exercise 1. Consider the following matrices. Tell if the corresponding linear transformations
are onto and/or one-to-one
1
100
0 1
1
Math 221: Linear Algebra Midterm Exam 1
True False Question
1. Every elementary row operation is reversible.
For example, reverse multiplying by constant by multiplying its inverse.
Replace r