In a cartesian co-ordinate system, the co-ordinates of two points P and Q are (2, 4, 4) and (-2, -3, 7) respectively. Find PO and its magnitude.
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PQ=Q_P
(-2,-3,7)_(2,4,4)=(-4,-7,3)
Magnitude=squareroot of (X)2+(Y)2+(Z)2=
(-4)2+(-7)2+(3)2=squroot of 74=8.60
(-2,-3,7)_(2,4,4)=(-4,-7,3)
Magnitude=squareroot of (X)2+(Y)2+(Z)2=
(-4)2+(-7)2+(3)2=squroot of 74=8.60
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