Given three points P, Q, R with P (5, 3)...

Given three points P, Q, R with P (5, 3) and R lies on the x-axis. If equation of RQ is `x-2y=2` and PQ is parallel to the x-axis, then the centroid of `"Delta"` PQR lies on the line (1)`x-2y+1=0` (2) `2x+y-9=0` `(3)2x-5y=0` (4) `5x-2y=0`

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