Someone wrote in [community profile] fandomsecrets 2013-05-07 11:51 pm (UTC)

Re: I need help

Let U = 1+X
dU/dx = 1
(dU/dx)*(dx) = (1)*(dx)
(dU)*(dx/dx) = (1)*(dx)
dU = 1 dx

That one. Is it because you had (dU/dX)(dX), and you pulled the dx from dU/dX over?
(863 comments)

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