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Question
Solve the following equation: `x^2 + (a + 1/a)x + 1 = 0`
Solution
`x^2 + (a + 1/a)x + 1 = 0`
`x^2 + ax + 1/a x + 1 = 0`
`x (x + a) + 1/a (x + a) = 0`
`(x + a)(x + 1/a) = 0`
x = -a , x = `- 1/a`
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