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Let the co-ordinates of the two points `A&B` be (1, 2) and (7, 5) respectively. The line `A B` is rotated through `45^0` in anti clockwise direction about the point of trisection of `A B` which is nearer to `Bdot` The equation of the line in new position is: `2x-y-6=0` (b) `x-y-1=0` `3x-y-11=0` (d) None of these

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