Q. 124.4( 26 Votes )

Using elementary

Answer :

First of all we need to check whether the matrix is invertible or not. For that-

For the inverse of a matrix A to exist,

Determinant of A ≠ 0

Here ∣A∣ = (6)(1) – (-2)(-3) = 0

So the matrix is not invertible.

∴ the inverse of the given matrix does not exist.

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