Health, 19.02.2021 19:40 als102

A, b, c are non-coplanar vectors. Prove that the following four points are coplanar. (i)-a + 4b - 3, 3a + 2b - 5c. - 3a + 8b - 5c, -3a + 2b + c
(ii) 6a + 2b - c, 2a - b + 3c, - a + 2b - 4c, -12a - b - 3c

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A, b, c are non-coplanar vectors. Prove that the following four points are coplanar. (i)-a + 4b - 3...