Evaluate 5&-4 1&3 1. 43+4 2. 43+5 3. 53+4 4. 43-4 - Vidyadip

Question

Evaluate $\begin{bmatrix}5&-4\\1&\sqrt{3}\end{bmatrix}$

$4\sqrt{3}+4$
$4\sqrt{3}+5$
$5\sqrt{3}+4$
$4\sqrt{3}-4$

✓

Answer

$5\sqrt{3}+4$

Solution:

Evaluating along $\text{R}_1$,we get

$\triangle5(\sqrt3)-(-4)^1=5\sqrt{3}+4$

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