Question

If x+ 1/x=3 , find x square +1/x square i want answer fast plss, plss.

Answer 1

Answer:

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Answer 2

Answer:

$= > x + \frac{1}{x} = 3\\ \\ = > {(x + \frac{1}{x} )}^{2} = 9 \\ \\ = > {x}^{2} + \frac{1}{ {x}^{2} } + 2 = 9 \\ \\ = > {x}^{2} + \frac{1}{ {x}^{2} } = 7$