Question

Given vectors t=⟨−3,−3,−4⟩, u=⟨−3,−3,3⟩, and v=⟨−6,−8,4⟩, find t(u⋅v).

Answer 1

Answer in attached photo.

Explanation:

Solution

Steps are in the attached photo, do note that t(u) is different from t·u, t(u) is multiplying vectors together, while t·u is the dot product of 2 vectors.