NCERT Class 12-Mathematics: Exemplar Chapter –3 Matrices Part 19

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Question 51:

If possible, using elementary row transformations, find the inverse of the following matrices

Answer:

For getting the inverse of the given matrix A by row elementary operations we may write the given matrix as

So, the inverse of A is

(ii)

Since, second row of the matrix A on LHS is containing all zeroes, so we can say that inverse of matrix A does not exist.

(iii)

Hence, is the inverse of given matrix A.

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