If B be a 4×5 type matrix ,then what is the number of element in the third column
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Answer:
4×5 matrix
implies
no of rows = 4 = horizontal
no of columns = 5 = vertical
no of elements in third column = no of rows = 4
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Concept:
We need to first recall the concept of matrix to answer this question.
Any system of mn elements (Real or Complex) arranged in a rectangular array in m rows and n columns is called an m × n matrix.
An m × n matrix can be written as:
Given:
A matrix B of 4 × 5 type.
To find:
We have to find The number of elements in the third column of given matrix.
Solution:
Since B is a matrix of order 4 × 5.
So, Number of rows in B = 4
and Number of columns in B = 5
The number of elements in third column is equal to the number of rows in matrix B.
Hence, The number of elements in third column = 4.
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