# Let u = i + 2j - 3k and v = 2i + 3j + k in R^3 (a) What is u * v? (b) What is u * v?

Question
Matrix transformations
Let $$\displaystyle{u}={i}+{2}{j}-{3}{k}$$ and $$\displaystyle{v}={2}{i}+{3}{j}+{k}\in{R}^{{3}}$$
(a) What is u * v?
(b) What is u * v?

2021-01-23

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