Mathematical methods for economics ...321AE3
Matrix Mastery Quiz
Test your knowledge of mathematical methods for economics with our engaging Matrix Mastery Quiz! This quiz covers essential topics in matrix theory and operations, ensuring a solid understanding of the subject.
Features:
- 10 challenging multiple-choice questions
- Instant feedback on your answers
- Suitable for students and enthusiasts alike
Matrix obtained by inter changing the rows and columns is called ………… of a matrix
A) transpose
B) inverse
c) negative
d) None
If A and B are square matrices such that AB = BA, then A and B are called…………..
A) commutative
B) Additive
c) multiplicative
D) divisive
Transpose of a rectangular matrix is a
A) diagonal matrix
B) square matrix
C) scalar matrix
D) rectangular matrix
Transpose of a column matrix is
A) zero matrix
B) column matrix
C) row matrix
D) diagonal matrix
Two matrices A and B are multiplied to get AB if
A) both are rectangular
B) both have same order
D) no of rows of A is equal to no of columns of B
C) no of columns of A is equal to columns of B
If |A| = 0, then A is
A) 0
b) non-singular matrix
C) singular matrix
D) zero matrix
If A is a symmetric matrix, then At =
A) A
B) |A|
c) 0
d) diagonal matrix
What is the order of a matrix?
A) number of rows X number of rows
b) number of columns X number of columns
C) number of columns X number of rows
D) number of rows X number of columns
Which of the following property does not hold for matrix multiplication?
A) Distributive
B) Additive Inverse
c) Commutative
D) Associative
[■(1&0&0@0&1&0@0&0&1)] is a
A) Identity matrix
B) Zero matrix
C) Square matrix
D) Column matrix
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