5. Set up the system of equations in the Method of Lagrange Multipliers for the function f(x, y, z) = xy + z and the constraint g(x, y, z) = x^4+ y^4+z^4=1. What must be true of a point (x, y, z) that satisfies those equations? Select one: a. z=0 b. x=y=0 c. X=y=z d. x=y or x=-y C e. y=4x^3

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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5. Set up the system of equations in the Method of Lagrange Multipliers for the function \( f(x, y, z) = xy + z \) and the constraint \( g(x, y, z) = x^4 + y^4 + z^4 = 1 \). What must be true of a point \((x, y, z)\) that satisfies those equations?

Select one:
- ☐ a. \( z = 0 \)
- ☐ b. \( x = y = 0 \)
- ☐ c. \( x = y = z \)
- ☐ d. \( x = y \) or \( x = -y \)
- ☐ e. \( y = 4x^3 \)
Transcribed Image Text:5. Set up the system of equations in the Method of Lagrange Multipliers for the function \( f(x, y, z) = xy + z \) and the constraint \( g(x, y, z) = x^4 + y^4 + z^4 = 1 \). What must be true of a point \((x, y, z)\) that satisfies those equations? Select one: - ☐ a. \( z = 0 \) - ☐ b. \( x = y = 0 \) - ☐ c. \( x = y = z \) - ☐ d. \( x = y \) or \( x = -y \) - ☐ e. \( y = 4x^3 \)
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