If u = 3y^2ex − xey + 5ez, v = xex + (y − z)ey, and a = 5x^3 − y + yz, evaluate:(a) u·v (b) u×v (c) ∇×v (d) ∇a (e) ∇·uBased on your answers above, evaluate the following true/false assertions:(a) The dot product of two vectors is a scalar.(b) The cross product of two vectors is a scalar.(c) The curl of a vector is a vector.(d) The gradient of a scalar is a scalar.(e) The divergence of a vector is a scalar

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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If u = 3y^2ex − xey + 5ez, v = xex + (y − z)ey, and a = 5x^3 − y + yz, evaluate:
(a) u·v (b) u×v (c) ∇×v (d) ∇a (e) ∇·u
Based on your answers above, evaluate the following true/false assertions:
(a) The dot product of two vectors is a scalar.
(b) The cross product of two vectors is a scalar.
(c) The curl of a vector is a vector.
(d) The gradient of a scalar is a scalar.
(e) The divergence of a vector is a scalar

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