Matrices

Matrices

University

10 Qs

quiz-placeholder

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Matrices

Matrices

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Manimozhi Mathematics

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The value of a _____ does not change when rows and columns are interchanged.

matrix

determinant

linear space

none of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Inverse of a square matrix is ____ if it exists

different

exists

unique

none of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If A be any square matrix,then AA' and A'A will be both

Skew symmetric

symmetric

either skew symmetric or symmetric

neither skew symmetric nor symmetric

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Transpose of an orthogonal matrix is ______

symmetric

skew symmetric

hermitian

orthogonal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A square matrix A= [aij]n×n\left[a_{ij}\right]_{n\times n}  is _______ iff  aij =aji\overline{a_{ij}}\ =a_{ji}  

skew hermitian

symmetric

skew symmetric

hermitian

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rank of zero matrix is _______

one

two

zero

three

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The rank of every non-singular matrix of order n is _____

1

0

2

n

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