Coordinates of vector AB
\[\overrightarrow{AB}=(x_2-x_1;\,y_2-y_1;\,z_2-z_1)\]
NMT / ZNO
Formulas and reference
A compact mathematics reference in two levels: the NMT exam sheet and the full ZNO formula set.
NMT — exam reference sheet
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Geometry
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3 formulas
NMT mode
Shows only the compact set matching the NMT-2026 reference materials.
Vectors
Vectors
Dot product in coordinates
\[\vec a\cdot\vec b=a_1b_1+a_2b_2+a_3b_3\]
Dot product using the angle
\[\vec a\cdot\vec b=|\vec a||\vec b|\cos\varphi\]
No formulas match this search.