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| 1. |
Find x such that the four points A(4, 1, 2), B(5, x, 6), C(5, 1, −1) and D(7, 4, 0) are coplanar. |
| Answer» Find x such that the four points A(4, 1, 2), B(5, x, 6), C(5, 1, −1) and D(7, 4, 0) are coplanar. | |