Advanced Math practice question

Answer: 8/3

x + 1/x = 10/3 gives 3x² − 10x + 3 = 0, so x = 3 (since x > 1) and x − 1/x = 3 − 1/3 = 8/3.

Common wrong answers

If you answered 3

3 is x alone.

If you answered 1/3

1/3 is 1/x alone.

If you answered 10/3

10/3 is the given sum.

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