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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`, we have to find `| A A^T|`
Using `|AB| = |A||B| `and `|A^T| = |A|,`
we get` |A A^T| = |A||A^T|`
= `|A||A| = 2 xx 2 = 4`
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