document.write( "Question 1139229: find: int(x)dy + int(y)dx \n" ); document.write( "

Algebra.Com's Answer #757003 by MathLover1(20849) $\"\"$ $\"About$

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$\"int%28%28x%29%29\"$ $\"+dy\"$ + $\"int%28%28y%29%29\"$ $\"+dx\"$ \r
\n" ); document.write( "\n" ); document.write( "since\r
\n" ); document.write( "\n" ); document.write( " $\"int%28%28x%29%29\"$ $\"dy=xy%2Bc\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"int%28%28y%29%29\"$ $\"dx=xy%2Bc\"$ \r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( " $\"int%28%28x%29%29\"$ $\"dy\"$ + $\"int%28%28y%29%29\"$ $\"dx\"$ = $\"2xy%2B2c\"$ where $\"c\"$ is the constant of integration \n" ); document.write( "

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