Q72 of 146 Page 52

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A matrix which is not a square matrix is called a _____ matrix.

Rectangular Matrix

As a square matrix is the one in which there are same number of rows and columns.


Eg: A =


Here there are 2 rows and 2 columns.


The matrix which is not square is called rectangular matrix as it does not have same number of rows and columns.


Eg


Here number of rows are 2 and columns are 3.


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The product of any matrix by the scalar _____ is the null matrix.

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A matrix which is not a square matrix is called a _____ matrix.

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Matrix multiplication is _____ over addition.

 73

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Matrix multiplication is _____ over addition.