Simplify- 4- 5 4- 5 - 4- 5 4- 5

4 √(5)4+√(5)+4+√(5)4 √(5) Cross Multiplying (4 √(5))^2+(4+√(5))^2(4+√(5))(4 √(5))=16+5 2×4×√(5)+16+5+2×4×√(5)16 5=4211 Hence the answer is 4211 ...

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Random Interesting Patterns Followed by Square Numbers

Simplify, 4-...

Question

Simplify, $\frac{4 - \sqrt{5}}{4 + \sqrt{5}} + \frac{4 + \sqrt{5}}{4 - \sqrt{5}}$

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Solution

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\frac{4 + \sqrt{5}}{4 - \sqrt{5}} + \frac{4 - \sqrt{5}}{4 + \sqrt{5}}

(\sqrt[4]{6} - \sqrt[4]{5}) (\sqrt[4]{6} + \sqrt[4]{5}) (\sqrt{6} + \sqrt{5})

\frac{\sqrt{4} + \sqrt{5}}{\sqrt{4} - \sqrt{5}} + \frac{\sqrt{4} - \sqrt{5}}{\sqrt{4} + \sqrt{5}} = - m

m

(\frac{4 + \sqrt{5}}{4 - \sqrt{5}} + \frac{4 - \sqrt{5}}{4 + \sqrt{5}})

Simplify

$4 \frac{4}{5} \div \frac{3}{5}$ of $5 + \frac{4}{5} \times \frac{3}{10} - \frac{1}{5}$

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