Question: Given the vectors P = 3i - j + k, Q = 4i + Qyj - 2k, and S = 2i - 2j + 2k,

Given the vectors P = 3i - j + k, Q = 4i + Qyj - 2k, and S = 2i - 2j + 2k, determine the value of Qy for which the three vectors are coplanar?

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