1.

The sum of a number and its reciprocal is 5/2

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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