1 |
If |A| ≠ 0 then A is called |
1
-1
±1
0
|
2 |
Two matrices A and B are conformable for multiplication (AB) if and only if |
Addition
Multiplication
Division
Subtraction
|
3 |
If A = [aij] and b = [bij] are the matrices of the order 3x3 then A-B= |
Circle
Ellipse
Parabola
Hexagon
|
4 |
The set (Z, +) forms a group |
Function on B
Range
Domain
A into B
|
5 |
The set (Q, .) |
Infinite set
Singleton set
Two points set
None
|
6 |
The statement that a group can have more than one identity elements is |
True
False
Fallacious
Some times true
|
7 |
The set of all positive even integers is |
Φ
{1,2,3}
{Φ}
{0}
|
8 |
The set {1, -1, i, -i}, form a group under |
addition
multiplication
subtraction
None
|
9 |
The multiplicative inverse of -1 in the set {1-,1} is |
40
30
50
20
|
10 |
The set of complex numbers forms a group under the binary operation of |
0
±1
1
{0,1}
|