If y + (frac{1}{y}) = 9, evaluate y2 + (frac{1}{y^2})

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Mathematics NECO 2008

If y + \(\frac{1}{y}\) = 9, evaluate y² + \(\frac{1}{y^2}\)

The correct answer is: E

Explanation

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If y + \(\frac{1}{y}\) = 9, evaluate y2 + \(\frac{1}{y^2}\)

The correct answer is: E

Explanation

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