EXPLORING CONCEPTS
Using Dot and Cross Products When and . what can you conclude about u and v?
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Comparing Dot Products Identify the dot products that are equal. Explain your reasoning. (Assume u, v, and w are nonzero vectors.)
(a) (c) (e) (g)
(b) (d) (f) (h)
Think About It What can you conclude about the convergence or divergence of using the Ratio Test when is a rational function of n? Explain.
Limits
If , can you conclude anything about f(2, 3)? Explain.