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The area enclosed by the curves xy + 4y = 16 and x + y = 6 is equal to :

1. 32 – 30 log e 2
2. 30 – 32 log e 2
3. 30 – 28 log e 2
4. 28 – 30 log e 2

Correct answer: 30 – 32 log e 2

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