The graphs of the equations 3x - 20y - 2 = 0 and 11x - 5y + 61 = 0 intersect at P(a, b). What is the value of (a2 + b2 - ab)/(a2 - b2 + ab)?

1
\(\frac{41}{31}\)
2
\(\frac{31}{41}\)
3
\(\frac{37}{35}\)
4
\(\frac{5}{7}\)

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