Vector calculus in plane and space: Vectors in Planes and Space
Addition of vectors
Let #\vec{u}#, #\vec{v}#, and #\vec{w}# be three vectors. Write the linear combination #(-8\vec{u}+6\vec{v}-8\vec{w}) + (7\vec{u} -2\vec{v} + 7\vec{w})# in such a way that the three vectors each appear once with an integer scalar.
#(-8\vec{u}+6\vec{v}-8\vec{w}) + (7\vec{u} -2\vec{v} + 7\vec{w})=# #\cdot\vec{u}# #+# #\cdot\vec{v}# #+# #\cdot\vec{w}#
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