If I’m trying to integrate (-10e^(3x))/(1+e^x)dx, how exactly do I solve? I understand you use u-substitution, right? I think it’s best to substitute u for 1+e^x but I’m not really sure

Question

If I’m trying to integrate (-10e^(3x))/(1+e^x)dx, how exactly do I solve?  I understand you use u-substitution, right?  I think it’s best to substitute u for 1+e^x but I’m not really sure

Lana · Answer

Nevermind, I think I figured it out.

oobleck · Answer

I hope you got ∫-10(e-1)^3/u du ...