The mid -point of the sides of a triangle are (1,5,-1) ,(0,4,-2) and (2,3,4). Find its vertices.

The mid -point of the sides of a triangle are (1,5,-1) ,(0,4,-2) and (

1.	The mid -point of the sides of a triangle are (1,5,-1) ,(0,4,-2) and (2,3,4). Find its vertices.
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