Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\sqrt{ 4+ \sqrt{ 10+2 \sqrt{ 5 } } }$$

Answer

sqrt(4+sqrt(2*(5+sqrt(5))))

Solution


Factor out the common term \(2\).
\[\sqrt{4+\sqrt{2(5+\sqrt{5})}}\]

Decimal Form: 2.793604

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