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    				| 1. | The magnitude of a vector having initial point P(X, Y, Z) and terminal (x, y, z) ispoint2) [(x,+x, ) +(-} +(22 +2,5191) [(x2 - x,)* +(ya - y) + (22-2,) )"3 [(x + x)² + (%, +4,³² + 1 2 + 2, }] 4 [(x,-x} + (32 + y; } +(2, -2,874 | 
| Answer» 1) [(X2 - X,)* +(YA - y) + (22-2,) )" | |