Changes

→‎Note 4: alignment
Line 579: Line 579:  
& = &  x  & \cdot &  y  & \cdot & ((\operatorname{d}x)(\operatorname{d}y))
 
& = &  x  & \cdot &  y  & \cdot & ((\operatorname{d}x)(\operatorname{d}y))
 
\\[4pt]
 
\\[4pt]
& + &  x  & \cdot & (y) & \cdot & (\operatorname{d}x)~\operatorname{d}y
+
& + &  x  & \cdot & (y) & \cdot & ~(\operatorname{d}x)~\operatorname{d}y~~
 
\\[4pt]
 
\\[4pt]
& + & (x) & \cdot &  y  & \cdot &   \operatorname{d}x~(\operatorname{d}y)
+
& + & (x) & \cdot &  y  & \cdot & ~~\operatorname{d}x~(\operatorname{d}y)~
 
\\[4pt]
 
\\[4pt]
& + & (x) & \cdot & (y) & \cdot &   \operatorname{d}x~~\operatorname{d}y
+
& + & (x) & \cdot & (y) & \cdot & ~~\operatorname{d}x~~\operatorname{d}y~~
 
\end{array}</math>
 
\end{array}</math>
 
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