MyWikiBiz, Author Your Legacy — Saturday December 13, 2025
Jump to navigationJump to search
No change in size
, 22:05, 11 March 2009
| Line 1,231: |
Line 1,231: |
| | <math>\begin{matrix} | | <math>\begin{matrix} |
| | \operatorname{r}f | | \operatorname{r}f |
| − | & = & \texttt{uv} \cdot \texttt{du~dv} & + & \texttt{u(v)} \cdot \texttt{du~dv} & + & \texttt{(u)v} \cdot \texttt{du~dv} & + & \texttt{(u)(v)} \cdot \texttt{du dv} | + | & = & \texttt{uv} \cdot \texttt{du~dv} & + & \texttt{u(v)} \cdot \texttt{du~dv} & + & \texttt{(u)v} \cdot \texttt{du~dv} & + & \texttt{(u)(v)} \cdot \texttt{du~dv} |
| | \\ \\ | | \\ \\ |
| | & = & \texttt{du~dv} | | & = & \texttt{du~dv} |