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1. |
The direction ratios of the line segment joining \(P(x_1,y_1,z_1)\) and \(Q(x_2,y_2,z_2)\) is given by _______, ____________ and __________ |
A. | \(x_2+x_1,y_2+y_1,z_2+z_1\) |
B. | \(x_2-x_1,y_2+y_1,z_2-z_1\) |
C. | \(x_2-x_1,y_2-y_1,z_2-z_1\) |
D. | \(x_2+x_1,y_2-y_1,z_2+z_1\) |
Answer» D. | |