For a 2 × 2 matrix, A = [a_{ij}] whose ...

CBSE Class 12 Math 2011 Solved Paper

Question : 3 of 29

Marks: +1, -0

For a 2 × 2 matrix, A =

[a_{ij}]

whose elements are given by

a_{ij}

\frac{i}{j}

, write the value of

a_{12}

Solution:

It is given that the elements of the matrix A =

[a_{ij}]

are given by

a_{ij}

\frac{i}{j}

For

a_{12}

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

∴

a_{12}

\frac{1}{2}

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