1 |
|
None
|
2 |
The additive inverse of a matrix A is: |
A
A<sup>-1</sup>
- A
A<sup>2</sup>
|
3 |
|
5
-5
-4
4
|
4 |
|
1
-1
-6
6
|
5 |
|
diagonal matrix
|
6 |
If A is a matrix of order m × n, then the number of elements in each row of A is: |
m
n
m + n
m - n
|
7 |
[0] is a: |
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
A matrix of order m×1 is called: |
row matrix
column matrix
identity matrix
scalar matrix
|
12 |
|
3×3
3×2
2×1
2×3
|
13 |
The order of a matrix is shown by: |
number of columns + number of rows
number of rows × number of columns
number of columns - number of rows
|
14 |
|
2
4
6
8
|
15 |
If (x - 2, 2) = (3, 2), then: |
x = 5
x = 2
x = -5
x = 3
|
16 |
The identity element in a group is: |
unique
inifinite
both a and b
not possible
|
17 |
Inverse of an element in a group is: |
infinite
finite
unique
not possible
|
18 |
A groupoid (S) is called __________ if it is associative in S: |
group
abelian-group
semi-group
associative-group
|
19 |
The ordered pairs (4, 5) and (5, 4) are: |
same
different
both a and b
N
|
20 |
The disjunction of two statements p and q is denoted by: |
|