Question

if x-3=1/x find x^2+1/x^2​

Answer 1

Answer:

11

Step-by-step explanation:

$x - 3 = \frac{1}{x} \\ x - \frac{1}{x} = 3 \\ { (x - \frac{1}{x} )}^{2} = {3}^{2} \\ {x}^{2} + \frac{1}{ {x}^{2} } - 2 = 9 \\ {x}^{2} + \frac{1}{ {x}^{2} } = 11$

Answer 2

Step-by-step explanation:

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