?Let f be a scalar field and \(\mathbf{F}\) a vector field. State whether each
Chapter 14, Problem 14(choose chapter or problem)
Let f be a scalar field and \(\mathbf{F}\) a vector field. State whether each expression is meaningful. If not, explain why. If so, state whether it is a scalar field or a vector field.
(a) \(\operatorname{curl} f\)
(b) \(\operatorname{grad} f\)
(c) \(\operatorname{div} \mathbf{F}\)
(d) \(\operatorname{curl}(\operatorname{grad} f)\)
(e) \(\operatorname{grad} \mathbf{F}\)
(f) \(\operatorname{grad}(\operatorname{div} \mathbf{F})\)
(g) \(\operatorname{div}(\operatorname{grad} f)\)
(h) \(\operatorname{grad}(\operatorname{div} f)\)
(i) \(\operatorname{curl}(\operatorname{curl} \mathbf{F})\)
(j) \(\operatorname{div}(\operatorname{div} \mathbf{F})\)
(k) \((\operatorname{grad} f) \times(\operatorname{div} \mathbf{F})\)
(1) \(\operatorname{div}(\operatorname{curl}(\operatorname{grad} f))\)
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