Question

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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$x {}^{3} + \frac{1}{x {}^{3} } + 2 \\ = \frac{x {}^{6} + 1 + 2x {}^{3} }{x {}^{3} } \\ = \frac{x {}^{6} + 2x {}^{3} + 1 }{x {}^{3} } .$

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