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The solution the differential equation `"cos x sin y dx" + "sin x cos y dy" =0` isA. `(sinx)/(siny) = c`B. `cos x + cos y = c`C. `sin x + sin y = c`D. `sin x. sin y=c` |
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Answer» Correct Answer - 4 `"cos x sin y dx + sin x cosy dy" =0` `"sin y d(sinx) + sin x d (sin y)=0"` `"d (sin x sin y) =0"` Intergrating `sin x sin y =c` |
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