Problem 1.11 Find the gradients of the following functions: (a) f(x, y, z) x2 + y3...
Find Vf at the given point. f(x,y,z) = x2 + y3 – 322 + z Inx, (1,1,4) Vf|(1,1,4) = i+ )j + (O)k (Simplify your answers.)
The temperature at any point (x, y, z) in space is T = x y3 z4 Find the highest temperature on the surface 4 x2 + 4 y2 + z2 = 8. Enter the exact value of your answer in the box below. Warning: If your answer involves a square root, use either sqrt or power 1/2. Note: The highest temperature cannot be 0.
7. Show that the following functions u(x, y) monic functions v(x, y) and determine f(z) = u(x,y) + iv(x, y) are harmonic, find their conjugate har- as functions of 2. 2x2 2лу — 5х — 22. Зл? — 8ху — Зу? + 2у, (а) и(х, у) (b) и(х, у) (с) и(х, у) (d) u(a, y) 2e cos y 3e" sin y, = 3e-* cos y + 5e-" sin y, = elx cos y - e y sin y, (e) u(x,...
Three metals X, Y and Z have the following reactions: Y will react with X2+, Z2+ does NOT react with Y. Arrange from strongest oxidizing agent to weakest oxidizing agent? A) X2+ → Z2+ + Y3+ B) X+Z+Y C) X2+ + Y3+ → Z2+ D) Z→YX E) Z2+ → Y3+ → X2+ F) YXZ Choose 14. Choose best answer from drop-down menu: 2 points How many coulombs of charge are required to cause the reduction of 0.20 mole of Cr3+...
1. Find the maxima of the following functions. (a) f(x)-2-4. )2 (c) f (z,y)2+3. (d) f (x,y) = xy-x2-y2 + 9y.
4. Given the function f(x,y) = 4+x2 + y3 – 3xy. a. Find all critical points of the function. b. Use the second partials test to find any relative extrema or saddle points.
Using the windows32 framework, write a program toevaluate the value of the following real valued function. Make sure to printthe output using a message box.f(x; y; z) = x4 + y3 + z + (x + y)4zNote: Your program should read x, y and z from the keyboard.
Given f(x, y, z) = 4yz - x2, and that x, y, z are each differentiable functions of u and v. Suppose (x, y, z) = (-1,0,1) at (u, v) = (1, 2), and that af 09 = 70. au |(1,2) = -50 and av (1,2) What is the value of x,(1, 2)? a) 230/3 b)-230/3 c) 40 d) 110 e) -120
complex anaylsis f(z) = f(x+iy) = (x + 3xy - by ²x) + (y3 + 3x²y+y) Find all points Zec at which differentiable. Then, find all the points at which ZEC t is analytic.
5 Consider the functions f and g whose graphs are given below. z y = f(x) -4 A3 -2 -1 1 2 3 4 y = 9(2) -4 -3 -2 -1 1 2 3 4 1 + f. Find (3) a. Find f'(-3). b. Find f'(1). g. Suppose p(x) = f(x)g(2). Find p'(-3). c. Find f'(3). h. Suppose q(z) = 5(). Find g(3). d. Find t'(-3). g(2) e. Find g'(1). i. Suppose r(x) = x2 f(x). Find r'(1).