IftheD. E. M(x, y)dx + (cosx – &r²y – xe" )dy = 0 is exact, then the most general function M (x, y) is - sin x - 8y? + e +h (y) O -y cos x - 8xy? - e+h (x) O -y sin x - 8xy? + e- +h (x) O -y sin x -...

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Extracted text: IftheD. E. M(x, y)dx + (cosx – &r²y – xe" )dy = 0 is exact, then the most general function M (x, y) is - sin x - 8y? + e +h (y) O -y cos x - 8xy? - e+h (x) O -y sin x - 8xy? + e- +h (x) O -y sin x - 8xy² + h (x) O -y sin x - 16xy + e + h (x) - sin x - 4xy + e=Y + h (x) sin x - 12xy2 + e +h (x)