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Check whether the following matrix is invertible or not: (231015) - Mathematics and Statistics

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Sum

Check whether the following matrix is invertible or not:

`((2,3),(10,15))`

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Solution

Let A = `((2,3),(10,15))`

Then, |A| = `|(2,3),(10,15)| = 30 - 30 = 0`

∴ A is a singular matrix.

Hence, A-1 does not exist.

Concept: Elementry Transformations
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