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The Inverse of a Matrix
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Matrices
Problems
Problem 3.1:
+ [0] = ?
Solution for Problem 3.1
Problem 3.2:
= ?
Solution for Problem 3.2
Problem 3.3:
If
=
what is
(
x
,
y
,
z
)
Solution for Problem 3.3
Problem 3.4:
If
AI
=
A
, and
A
is a
4×6
matrix, what are the dimensions of
I
?
Solution for Problem 3.4
Problem 3.5:
If
IA
=
A
, and
A
is a
4×6
matrix, what are the dimensions of
I
?
Solution for Problem 3.5
Problem 3.6:
Is there a matrix
B
such that
BB
=
B
?
Solution for Problem 3.6
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+ [0] = ?
= ?
= 
