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The points (3,-2,-1),(-1,1,2),(2,3,-4) a...

The points `(3,-2,-1),(-1,1,2),(2,3,-4) and (4,5,lamda)` are coplanar when `lamda= (A) 0 (B) `(-146)/17` (C) 1 (D) `(-17)/9`

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