Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Matrix
A
A
A
is of order
4
×
3
4\times 3
4
×
3
and matrix
B
B
B
is of order
3
×
1
3\times 1
3
×
1
. What is the order of the product
A
B
AB
A
B
? a)
3
×
4
3\times 4
3
×
4
b)
4
×
1
4\times 1
4
×
1
c)
1
×
3
1\times 3
1
×
3
d) Product not defined
Browse the problem library