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The solution of the differential equatio...

The solution of the differential equation `(dy)/(dx)=e^(y+x)+e^(y-x)` is

A

e^−y=e^x−e^−x+c

B

e^−y=e^−x−e^x+c

C

e^−y=e^−x−e^−x+c

D

e^y=e^x−e^−x+c

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