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<math>
 
<math>
 
\sum f(x) = F(x) + g(x)
 
\sum f(x) = F(x) + g(x)
 +
</math>
 +
 +
<math>
 +
\[\mathbf{V}_1 \times \mathbf{V}_2 =  \begin{vmatrix}
 +
\mathbf{i} &amp; \mathbf{j} &amp; \mathbf{k} \\
 +
\frac{\partial X}{\partial u} &amp;  \frac{\partial Y}{\partial u} &amp; 0 \\
 +
\frac{\partial X}{\partial v} &amp;  \frac{\partial Y}{\partial v} &amp; 0
 +
\end{vmatrix}  \]
 
</math>
 
</math>

Revision as of 17:38, 5 November 2012

\( \sum f(x) = F(x) + g(x) \)

\( '"`UNIQ-MathJax1-QINU`"' \)