I just want to make sure I am doing this correctly d/dx(e^5x + 1) = 5e^5x and find d2/dx2 (lnx)^3 = 6(lnx)
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Originally Posted by 10164064 I just want to make sure I am doing this correctly d/dx(e^5x + 1) = 5e^5x and find d2/dx2 (lnx)^3 = 6(lnx) Second one is wrong Remember
Originally Posted by 10164064 I just want to make sure I am doing this correctly d/dx(e^5x + 1) = 5e^5x and find d2/dx2 (lnx)^3 = 6(lnx) The first one is correct. However, the second one is missing something... You need to apply the chain rule here... Hope this makes sense! --Chris
its to the second derivative right? so is it {6/x(lnx)}-{3(lnx)^2/x^2}
Ok thanx for the clarification Chris.
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