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For a 2 x 2 matrix, A = \( [a_{ij} ], \) whose elements are given by \( a_{ij}=\large\frac{i}{j},\) write the value of \( a_{12}.\)
cbse
class12
modelpaper
2012
sec-a
q3
ch3
easy
math
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asked
Feb 4, 2013
by
thanvigandhi_1
edited
Jul 25, 2013
by
sreemathi.v
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1 Answer
Toolbox:
The number or functions occurring in the rectangular array are called the elements of the matrix or entries of the matrix. The element of the matrix is given by ith row and jth column.
Given:
A=$[a_{ij} ]$
$a_{ij}=\frac{i}{j}$
$a_{12}\rightarrow i=1,j=2$
$a_{12}\rightarrow \Large\frac{i}{j}=\frac{1}{2}$
Therefore $a_{12}=\Large \frac{1}{2}$
answered
Apr 9, 2013
by
sharmaaparna1
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