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The sum of a number and its reciprocal is 5/2 |
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Answer» Let x be the number \(x+\frac{1}{x}=\frac{5}{2}\) \(\frac{x^2+1}{x}=\frac{5}{2}\) 2x2 + 2 = 5x 2x2 - 5x + 2 = 0 |
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