Question

$$(5-2-1) \sqrt{ 5 }$$

Answer

2*sqrt(5)

Solution


Simplify  \(5-2\)  to  \(3\).
\[(3-1)\sqrt{5}\]
Simplify  \(3-1\)  to  \(2\).
\[2\sqrt{5}\]

Decimal Form: 4.472136