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- Question 1 of 4
##### 1. Question

The order of the given matrix \left[ \begin{array}{ccc} 2 & 7 \end{array} \right] is

CorrectIncorrect - Question 2 of 4
##### 2. Question

A matrix

**A**has an order*m x n*.Matrix

**A**is considered to be a square matrix ifÂ Â Â Â Â ÂCorrectIncorrect - Question 3 of 4
##### 3. Question

The elements of an identity matrix consist of

CorrectIncorrect - Question 4 of 4
##### 4. Question

Given two matrices

**MÂ**= \left[ \begin{array}{cc} a & 10 \\ 7 & b \end{array} \right] andÂ**NÂ**= \left[ \begin{array}{cc}5 & c \\ d & 9 \end{array} \right] andÂ**MÂ**=Â**N**Then

CorrectIncorrect