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प्रश्न
Identify the following matrix is singular or non-singular?
उत्तर
Let A =
∴ | A | =
=
By taking 2 and – 1 common from R3 in the first and second determinants respectively, we get,
| A | =
= 2 x 0 – 0
= 0
∴ A is a singular matrix.
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