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suter [353]
3 years ago
6

(square root of 6+the square root of 11)/(square root of 5+square root of 3) =

Mathematics
2 answers:
lidiya [134]3 years ago
3 0
It should be 22.880627.
Ksenya-84 [330]3 years ago
3 0

ANSWER

\frac{\sqrt{30}  + \sqrt{55}-   \sqrt{33}  -3\sqrt{2} }{ 2 }

EXPLANATION

The given radical expression is

\frac{ \sqrt{6}  +  \sqrt{11} }{ \sqrt{5} +  \sqrt{3}  }

We rationalize the denominator to get:

\frac{ \sqrt{6}  +  \sqrt{11} }{ \sqrt{5} +  \sqrt{3}  }  \times  \frac{\sqrt{5}  -  \sqrt{3}}{\sqrt{5}  - \sqrt{3}}

This implies that:

\frac{( \sqrt{6}  +  \sqrt{11} )(\sqrt{5}  -   \sqrt{3})}{ (\sqrt{5} +  \sqrt{3})(\sqrt{5}  -  \sqrt{3}) }

We expand using the distributive property and also applying difference of two squares on the denominator.

\frac{( \sqrt{6}  \times  \sqrt{5}   -   \sqrt{6}  \times  \sqrt{3}  + \sqrt{5} \times  \sqrt{11}   -   \sqrt{3} \times  \sqrt{11} )}{  {( \sqrt{5} )}^{2}  -  {( \sqrt{3} )}^{2}  }

This will give us,

\frac{\sqrt{30}   -   3\sqrt{2}  + \sqrt{55}-\sqrt{33} }{ 5 - 3 }

\frac{\sqrt{30}  + \sqrt{55}-   \sqrt{33}  -3\sqrt{2} }{ 2 }

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