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Math 9 Chapter 1 Matrices and Determinants-4
1.
Inverse of a matrix is possible only if matrix is?
a) All of these
b) Non-singular
c) Singular
d) Empty
2.
The inverse of matrix M is?
a) │M│÷ Adj M
b) Adj M
c) │M│
d) Adj M÷│M│
3.
The linear equation with two variable is?
a) Ax
2
+bx=c
b) Ax
2
+by
t
=c
c) All of these
d) Ax+by=c
4.
A rectangular array of real numbers enclosed within brackets is said?
a) A matrix
b) |Real brackets
c) Brackets
d) Empty brackets
5.
A rectangular matrix contains number of rows and columns?
a) One
b) Equal
c) Non-equal
d) Zero
6.
A square matrix contains number of rows and columns?
a) Equal
b) Zero
c) Non-equal
d) One
7.
The idea of matrices was introduced by a famous mathematician ___________.
a) Arther Nicol
b) Mac Arther
c) Arther kelly
8.
The matrices are denoted by ________letters
a) small
b) mix
c) capital
9.
Arther kelly gave the idea of matrices in ________
a) 1875
b) 1957
c) 1857
10.
A matrice's elements are written in the form of ________
a) rows and columns
b) columns only
c) rows only
d) rows or columns
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