# If A is a square matrix and |A| = 2, then write the value of | AA'| , where A' is the transpose of matrix A.

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If A is a square matrix and |A| = 2, then write the value of | AA'| , where A' is the transpose of matrix A.

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|AA|' = |A|. |A'| = |A|. |A|= |A|2 = 2 x 2 = 4.

[since, | AB|=|A|.|B| and| A|=| A'|, where A and B are square matrices.]