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# algebra

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If 23 = x^4 + 1, what is x^2 + 1/x^2?

May 2, 2021

#1
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Lets simplify the equation first:

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

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

so,

$$\frac{23}{x^2}$$ is the answer

May 3, 2021