Question

for the matrices A and B, verify that (AB)' = B'A' , where (i) A=(1 -4 3) and B =( -1 2 1)​

Answer 1

$\huge\sf\blue{Given}$

✭ $\sf A = \bigg[1\:-4\:3\bigg]$

✭ $\sf B = \bigg[ -1\:2\:1\bigg]$

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$\huge\sf\gray{To \: Prove}$

◈ (AB)' = B'A'

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$\huge\sf\purple{Steps}$

➝ $\sf AB = \bigg[1\:-4\:3\bigg]\:\:\bigg[ -1\:2\:1\bigg]$

➝ $\sf \bigg[ 1\times -1 \:\:\: -4\times 2 \:\:\: 3\times 1\bigg]$

➝ $\sf AB = \bigg[-1\:-8\:3\bigg]$

Remaining Answer has been Attached!!

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