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Let y = y(x) be the solution curve of the differential equation y 1 x 1 dx dy 2 − + = 2 / 1 1 x 1 x ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ + − , x > 1 passing through the point ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ 3 1 , 2 . Then 7 y(8) is

1. 11 + 6 log e 3
2. 19
3. 12 – 2 log e 3
4. 19 – 6 log e 3

Correct answer: 19 – 6 log e 3

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