If x - 1x - 5- find the value of x2 - 1x2 and x4 - 1x4-

The correct option is A x^2+1x^2=27, x^4+1x^4=727 ( x 1x )=5 Squaring on both sides ( x^2+1x^2 )=25+2=27 Squaring on both sides ( x^4+1x^4 )= ...

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(a + b)^2 Expansion and Visualisation

If x - 1x =...

Question

If $x - \frac{1}{x} = 5$ , find the value of $x^{2} + \frac{1}{x^{2}}$ and $x^{4} + \frac{1}{x^{4}}$ .

x^{2} + \frac{1}{x^{2}} = 27, x^{4} + \frac{1}{x^{4}} = 727

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x^{2} + \frac{1}{x^{2}} = 23, x^{4} + \frac{1}{x^{4}} = 527

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x^{2} + \frac{1}{x^{2}} = 23, x^{4} + \frac{1}{x^{4}} = 531

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x^{2} + \frac{1}{x^{2}} = 27, x^{4} + \frac{1}{x^{4}} = 731

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