How to find the distance between the origin and the line given by $\frac {x-1} {2} =\frac {y+1} {-3} =\frac {z} {1} $ (geometry, parametric, math) - Quora
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An apicobasal gradient of Rac activity determines protrusion form and position | Nature Communications
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Bluetooth 5.0 Music Audio Receiver Transmitter Fast USB Charger Aux Rac U Disk TF Player Plug Wireless Audio Adapter for Speaker
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