i Check whether the matrix
1 2 3
2 – 1 3
1 2 3
is invertible or not.​

1 thought on “i Check whether the matrix<br />1 2 3<br />2 – 1 3<br />1 2 3<br />is invertible or not.​”

1. Step-by-step explanation:

   Find the determinant, if the determinant is non-zero then its invertible.

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