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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- July 1st 2008, 09:28 PM10164064can someone please just double check
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) - July 1st 2008, 09:43 PMMathstud28
- July 1st 2008, 09:47 PMChris L T521
- July 1st 2008, 09:51 PM10164064
its to the second derivative right?

so is it

{6/x(lnx)}-{3(lnx)^2/x^2} - July 1st 2008, 09:54 PM10164064
Ok thanx for the clarification Chris.