Concept explainers
Evaluating a Line Integral In Exercises 23-32, evaluate
along each path. (Hint: If F is conservative, the I
(a)
(b)
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Calculus
- Let f = f(x, y, z) be a sufficiently smooth scalar function and F = Vƒ be the gradient acting on f. Which of the following expressions are meaningful? Of those that are, which are necessarily zero? Show your detailed justifications. (a) V· (Vf) (b) V(V × f) (c) V × (V · F) (d) V. (V × F)arrow_forwardExercise 5 3x + ax + b Conzider the function f that is defined over IR as: f(x) = Where a and b are two real x? +1 numbers. Designate by (C) its representative curve in an orthonormal system (0,i. j). Part A: Determine a and b so that (C) passes through the point I (0; 3) and admits at this point a tangent line with equation: y =4x +3.arrow_forwardf(x. y.2) = x + xy + yz + Q8) Find the Linearization at (1,1,2)arrow_forward
- Use Fundamental Theorem of Calculusarrow_forwardLet F = 2xyzi + (x²z + 2z)j + (x²y + 2y + 2z)k. (a) Show that Curl(F) = 0 (note that Curl(F) may also be written as VXF). (b) Use the method of partial integration to find an f such that F = Vƒ.arrow_forwardConsider a temperature sensor in a tank reading 20°C. The sensor is transferred to a second tank which is at 80°C. The dynamic behavior of the sensor is represented by a linear first order model (See Module 2). The time constant for the sensor is 20 seconds. a. b. Develop an analytical expression for the sensor reading as a function of time What is the sensor reading 10 seconds after transferring to the second tankarrow_forward
- Calc 3arrow_forwardevaluate the intergalarrow_forwardUse Green's Theorem in the form of this equation to prove Green's first identity, where D and C satisfy the hypothesis of Green's Theorem and the appropriate partial derivatives of f and g exist and are continuous. (The quantity ∇g · n = Dng occurs in the line integral. This is the directional derivative in the direction of the normal vector n and is called the normal derivative of g.)arrow_forward
- Description 1. By determining constants C1, C2, C3, C4, which are not all zero and are such that C1fi + C2f2 + C3 ƒ3 + C4 ƒ4 = 0 identically, show that the functions fi = x, f2 = e*, f3 = xe*, f4 = (2 – 3x) e* - are linearly dependent. 2. Show that e*, sin x, cos x are linearly independent using Wronskian Method.arrow_forwardI need the answer soon. I give a like on correct answer.arrow_forward109arrow_forward
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