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If x 2 - 3x + 1 = 0, find the value of x + 1/x,

Correct Answer: 3

Explanation:

Given equation is
x2 - 3x + 1 = 0 ⇒ x2 + 1 = 3x
⇒ x2 + 1/x = 3
⇒ x2/x + 1/x = 3
∴ x + 1/x = 3


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