Question
Solution
Let a = 0.8 and b = 0.6 = (0.8 + 0.6)(0.8 – 0.6) / 1.4 × (0.8 + 0.6) / (0.8 + 0.6) = 0.2 × 1.4 = 0.28
N likes who among the following cities?
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