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If `A` is a square matrix such that `|A|=2` , write the value of `|AA^T|`

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Given that `|A| = 2`
Using `|AB| = |A||B| `
and `|AT| = |A|`
we get `|A A^T| = |A||A^T|`
=` |A||A| = 2 xx 2 = 4`
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