Example

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

Question

$$2 \sqrt{ \frac{ 1 }{ 2 } + \frac{ 1 }{ 2 } \sqrt{ 28 } }$$

Answer

2*sqrt(1/2+sqrt(7))

Solution


Simplify  \(\sqrt{28}\)  to  \(2\sqrt{7}\).
\[2\sqrt{\frac{1}{2}+\frac{1}{2}\times 2\sqrt{7}}\]
Cancel \(2\).
\[2\sqrt{\frac{1}{2}+\sqrt{7}}\]

Decimal Form: 3.547253

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