Find a parametrization for the line segment beginning at P1 and ending at P2. P 1(7, 2, 4) and P 2(0, 2, -3)   a) x = -7t + 7, y = 2t, z = -7t + 4, 0 ≤ t ≤ 1   b) x = -7t + 7, y = 2, z = -7t + 4, 0 ≤ t ≤ 1   c) x = 7t, y = 2t, z = 7t - 3, 0 ≤ t ≤ 1   d) x = 7t, y = 2, z = 7t - 3, 0 ≤ t ≤ 1

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