If α and β are roots of the equation x2 – x – 1 = 0, then the equation whose roots are α/β and β/α is:

• A. x2 + 3x – 1 = 0
• B. x2 + x – 1 = 0
• C. x2 – x + 1 = 0
• D. x2 + 3x + 1 = 0