Question 16

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Jambmaths question: 

Simplify $(\sqrt{3}-\sqrt{2})(2\sqrt{3}+\sqrt{2})$

Option A: 

$1-\sqrt{6}$

Option B: 

$4-2\sqrt{6}$

Option C: 

$4+2\sqrt{6}$

Option D: 

.$4-\sqrt{6}$

Jamb Maths Solution: 

$\begin{align}  & (\sqrt{3}-\sqrt{2})(2\sqrt{3}+\sqrt{2})=6+\sqrt{6}-2\sqrt{6}-2 \\ & (\sqrt{3}-\sqrt{2})(2\sqrt{3}+\sqrt{2})=4-\sqrt{6} \\\end{align}$

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