Let a be greater than B and greater than 0, and the square of a plus the square of B is equal to 6ab
a²+b²=6ab,
∴(a+b)²=8ab
(a-b)²=4ab
∴(a+b)/(a-b)=(8ab)/(4ab)=2
A: the value of (a + b) / (a-b) is 2
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