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19-04-2020
Mathematics

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Consider the matrix shown below:
What are the dimensions of A.

3 X 4

4 X 3

12

A and B

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19-04-2020

Answer:

Dimensions of a matrix:

r × c

Where r is the no. of rows and c is the no. of columns

If A has 4 rows (horizontal) and 3 columns (vertical),

Dimensions are: 4 × 3

If A has 3 rows (horizontal) and 4 columns (vertical),

Dimensions are: 3 × 4

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