28. (xy? + x – 2y + 3) dx + x²y dy = 2(x + y) dy; when x = 1, y = 1. 2..2 15

Elements Of Electromagnetics
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28. (ху? + х — 2у + 3) dx + х*уdy — 2(х + у) dy; when x — 1, у 3D 1.
ANS. (ху — 2)2 + (x + 3)2 3D 2у? + 15.
Transcribed Image Text:28. (ху? + х — 2у + 3) dx + х*уdy — 2(х + у) dy; when x — 1, у 3D 1. ANS. (ху — 2)2 + (x + 3)2 3D 2у? + 15.
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