Free GRE Practice Question

Question 1 of 1
ID: GRE-MCQ-017
Section: GRE Quantitative Reasoning - Multiple Choice with one answer
Topic: Algebra
Difficulty level: Hard

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If \(x=4+\dfrac{1}{a}\) and \(y=4-\dfrac{1}{a}\), and \(x^2+y^2=\dfrac{65}{2}\), what is the value of \(a^2\)?

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