deletions | additions       diff --git a/Explaination.tex b/Explaination.tex  index 987ca04..0c8281d 100644  --- a/Explaination.tex  +++ b/Explaination.tex 
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\int_a^b x^3f'''(x) \;dx = -6C +6[xf(x)]_a^b -3[x^2f'(x)]_a^b +[x^3f''(x)]_a^b  \end{equation}  This progression continiues and one can fins find  that \begin{equation} \int_a^b x^nf^{(n)} \;dx = \sum_{k=0}^n \frac{(-1)^k}{k!}(-1)^nn!B_n