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Let PS be the median of the triangle with vertices P(2, 2), Q(6, –1) and R(7, 3). The equation of the line passing through (1, –1) and parallel to PS is

1. 2x – 9y – 11 = 0
2. 4x – 7y – 11 = 0
3. 2x + 9y + 7 = 0
4. 4x + 7y + 3 = 0

Correct answer: 2x + 9y + 7 = 0

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