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The opposite angular points of a square ...

The opposite angular points of a square are (3,4) a) and (1,-1). Then the co-ordinates of other two points are() bx + (a) D1, 9 (a) D(1 ) B(63) 2 2) th 1 9 1 5 2 2) 2 2 (c) D(394(,) 2' 2 (d) none of these

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