I had a differential equation and I have also computed the general solution of the equation, but i want to check whether my simplification is right for the following

[−(e^−x)/(1 + e^x)] − [(e^−2x)/(1 + e^x)] = −e^(−2x)

Is this right...

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- March 8th 2009, 11:38 AMrajrdifferential equation (checking a simplification)
I had a differential equation and I have also computed the general solution of the equation, but i want to check whether my simplification is right for the following

[−(e^−x)/(1 + e^x)] − [(e^−2x)/(1 + e^x)] = −e^(−2x)

Is this right... - March 8th 2009, 11:47 AMskeeter