1. In the plane, let D be a simply-connected region whose boundary ðD is a piecewise C', simple, closed curve, oriented counterclockwise. Let în be the outward unit normal vector to D. Given two functions, f(x, y) and g(x, y), both C² on an open set containing the domain D, show that: (a) · ds = - for any piece-wise C1 closed curve C in the domain D. (b) I. v9) dzdy = f. (s9) ·î ds – where Vg = V. ỹg= grx + gyy. (c) ·î ds
1. In the plane, let D be a simply-connected region whose boundary ðD is a piecewise C', simple, closed curve, oriented counterclockwise. Let în be the outward unit normal vector to D. Given two functions, f(x, y) and g(x, y), both C² on an open set containing the domain D, show that: (a) · ds = - for any piece-wise C1 closed curve C in the domain D. (b) I. v9) dzdy = f. (s9) ·î ds – where Vg = V. ỹg= grx + gyy. (c) ·î ds
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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