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Matrices

Question

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For a 2 x 2 matrix, A = [ a_ij ] whose elements are given by a_ij = $\frac{i}{j}$ , write the value of _a12 .

Solution

$It is given that the elements of the matrix A = [a_{ij}] are given by a_{ij} = \frac{i}{j}$

For a₁₂, the value of i = 1 and j = 2.

$a_{12} = \frac{1}{2}$

Some More Questions From Matrices Chapter

If a matrix has 18 elements, what are the possible orders it can have? What, if it has 5 elements?

If a matrix A has 12 elements, what arc the possible orders it can have 7 What if it has 7 elements ?

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