Question

if x^2 + 1/x^2=27 find x+1/x
$if \: {x}^{2} + \frac{1}{ {x}^{2} } = 27 \\ find \: \: {x}^{2} + \frac{1}{ {x}^{2} }$
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Answer 1

Answer:

Step-by-step explanation:

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