21 BaharWhich of the following expressions are false?I. u(z, y) = e is a harmonic function.II. u(z, y) = sin(z- ay) is a Laplace equation.II. If f(z, y) is a harmonic function then f(x² - y?, 2xy) is a harmonic function.O a ll, IIObil, IOclO d.I, IIO e.l

For harmonic function d2u/dx2+ d2u/dy2 =0 Expression I and III does not satisfies this condition .…

Which of the following expressions are false? 1. u(z, y) = e is a harmonic function. %3D II. u(z, y) = sin(z - ay) is a Laplace equation. %3D II. If f(z, y) is a harmonic function then f(x? – y², 2xy) is a harmonic function. O a. II, II O b.I, II, II O .I

Which of the following expressions are false? 1. u(z, y) = e is a harmonic function. %3D II. u(z, y) = sin(z - ay) is a Laplace equation. %3D II. If f(z, y) is a harmonic function then f(x? – y², 2xy) is a harmonic function. O a. II, II O b.I, II, II O .I

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

21 Bahar
Which of the following expressions are false?
I. u(z, y) = e is a harmonic function.
II. u(z, y) = sin(z- ay) is a Laplace equation.
II. If f(z, y) is a harmonic function then f(x² - y?, 2xy) is a harmonic function.
O a ll, II
Obil, I
Ocl
O d.I, II
O e.l

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