Theory of Intelligence
11TH•Mathematics•Matrices And Determinants•Question 6

Part (ii): Find $|AA^T|$ and $|A^TA|$ for $A = \begin{bmatrix}3 & 1 \\ 2 & 2 \\ 1 & 3\end{bmatrix}$

Find $|AA^T|$ and $|A^TA|$ if:

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Part (ii): Find ∣AAT∣|AA^T| and ∣ATA∣|A^TA| for A=[312213]A = \begin{bmatrix}3 & 1 \\ 2 & 2 \\ 1 & 3\end{bmatrix}

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