X Mathematics QUIZ III

If AB=I then AB is called the __________inverse of A.

• Additive

• Multiplicative

• Matrix

• None of these

 $\lfloor2\ \ \ 3\rfloor\ \times\ \lfloor5\ \ \ 6\rfloor$  

•  $\lfloor18\rfloor$  

•  $\lfloor10\rfloor$  

•  $\lfloor28\rfloor$  

• none of these

The number used in row or column are said to be the ________of the matrix

• Row

• Column

• Element

• Order

The vertical arrangement of number is called_______

• Order

• Row

• column

• Element

A matrix which has only one column is called_____matrix

• Square

• Column

• Null

• Row

A rectangular array of number enclosed by a pair of brakets is called_______

• Matrix

• Determinant

• Polynomial

• Expression

The transpose of above matrix is _______

• 
• 
• 
• None of These

A x A^ -1 = ________

• A

•  A^ -1

• 1

• none of these

The inverse of a matrix does not exist if the determinant of the matrix is_______

• 0

• 1

• -1

• none of these

The order of a matrix is ________

• 1 x 1

• 2 x 2

• 2 x 3

• 4 x 3