The value of 4-5-4-5-4-5-4-5 is-

The correct option is B 4+√(5)/4 √(5)+4 √(5)/4+√(5)=(4+√(5))^2+(4 √(5))^2/16 5 =16+5+8√(5)+16+5 8√(5)/11 =42/11 ...

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Question

The value of $\frac{4 + \sqrt{5}}{4 - \sqrt{5}} + \frac{4 - \sqrt{5}}{4 + \sqrt{5}}$ is:

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$\frac{4 + \sqrt{5}}{4 - \sqrt{5}} + \frac{4 - \sqrt{5}}{4 + \sqrt{5}} =$ ___

\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}} = a + b \sqrt{5}

- (\frac{4}{5} + \frac{4^{2}}{5^{2} .2} + \frac{4^{3}}{5^{3} .3} + \frac{4^{4}}{5^{4} .4} + \dots \infty)

N = \frac{4^{5} + 4^{5} + 4^{5} + 4^{5}}{3^{5} + 3^{5} + 3^{5}} . \frac{6^{5} + 6^{5} + 6^{5} + 6^{5} + 6^{5} + 6^{5}}{2^{5} + 2^{5}}

{log}_{2} N =

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