Hi, I would like to know how do I show that: y-(e^x) cos y + [x+(e^x) sin y]y' = 0 is an exact differential equation. Thanks in advance.
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Originally Posted by zxcv Hi, I would like to know how do I show that: y-(e^x) cos y + [x+(e^x) sin y]y' = 0 is an exact differential equation. Thanks in advance. Read this: Exact differential - Wikipedia, the free encyclopedia You have where and . Show .
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