AIEEE 2003 Math Solved Paper
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Question : 50 of 66
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A tetrahedron has vertices at O ( 0 , 0 , 0 ) , A ( 1 , 2 , 1 ) B ( 2 , 1 , 3 ) C ( − 1 , 1 , 2 ) O A B A B C
[AIEEE 2003]
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