Chapter 11: Q. 4 (page 859)
Chapter 11: Q. 4 (page 859)
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Get started for freeLet and both be differentiable three-component vector functions. Prove that
(This is Theorem 11.11 (d).)Let be a differentiable vector function such that for every value of . Prove that is a constant.
What is the dot product of the vector functions
For each of the vector-valued functions in Exercises , find the unit tangent vector and the principal unit normal vector at the specified value of t.
Prove Theorem 11.7 for vectors in R2. That is, let and be two scalar functions, each of which is differentiable on an interval I ⊆ R, and let localid="1649578343519" be a vector function. Prove that .
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