If x -3-8-then the value of x2-1-x2 is

The correct option is C 34 x=3+√(8) 1/x=3 √(8) (x+1/x #160;)^2=x^2+1/x^2+2 36=x^2+1/x^2+2 x^2+1/x^2=34 ...

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Multiplication of Rational Expressions

If x =3+√8,...

Question

If $x = 3 + \sqrt{8}$ ,then the value of $x^{2} + \frac{1}{x^{2}}$ is

24

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34

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17

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None of these

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Similar questions

x = 3 + \sqrt{8}

x^{2} + \frac{1}{x^{2}}

x = 3 + \sqrt{8}

x^{2} + \frac{1}{x^{2}}

x = {(\frac{2}{3})}^{4} \div {(\frac{2}{3})}^{2}

x^{2} + 2 x + 3

{(- \frac{1}{2})}^{4} \times (- 2)^{8} = (- 2)^{4 x}

x^{2} + \frac{1}{x^{2}} = \frac{17}{4}

x + \frac{1}{x}

If $x = 3 + \sqrt{8}$ then $(x^{2} + \frac{1}{x^{2}})$ = ?

(a) 34 (b) 56 (c) 28 (d) 63

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