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Evalute the determinants in queations 1 ...

Evalute the determinants in queations 1 and 2 :
If `A=[{:(1,2),(4,2):}]`, then show that |2A|=4|A|.

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To evaluate the determinant and show that |2A| = 4|A|, we will follow these steps: ### Step 1: Define the Matrix A Given the matrix \( A \): \[ A = \begin{pmatrix} 1 & 2 \\ 4 & 2 ...
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