If x-7-4 -3- then the value of x-1-x is -A- 14-831 - 2B- 331 - 2C- 14D- 1

The correct option is C 14 x = ( 7 4√(3)) (1/x) = x = ( 7 + 4√(3)) Adding we get 14 ...

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Polynomial and Its General Form

If x=7-4 √3, ...

Question

If $x = (7 - 4 \sqrt{3})$ , then the value of $(x + \frac{1}{x})$ is :

3(3) ^(1/2)

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14 + 8(3) ^(1/2)

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Solution

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If $x = (7 - 4 \sqrt{3})$ , then the value of $(x + \frac{1}{x})$ is :

If x + 2 is a factor of $x^{2}$ + mx + 14, then m =

∣ ∣ ∣ \frac{2 - 3 | x |}{1 + | x |} ∣ ∣ ∣ = 1,

x =

\frac{| x + 2 |}{| x - 4 |} = 3

x

x = 3 - 2 \sqrt{2}

\sqrt{x} - \frac{1}{\sqrt{x}}

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