Question

Ifx^4+1/x^4=623 find x+1/x and x-1/x

Answer 1

Answer:

this is

${x}^{4} + 1 = 623 {x}^{4} . \\ 1 = > 623 {x}^{4} - {x}^{4} . \\ 1 = > 622 {x}^{4} . \\ \sqrt[4]{\frac{1}{622} } . = > \frac{1}{4.99} \\ \frac{100}{499} = > 0.20.$

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