Line 1: | Line 1: | ||
<math> | <math> | ||
\sum f(x) = F(x) + g(x) | \sum f(x) = F(x) + g(x) | ||
+ | </math> | ||
+ | |||
+ | <math> | ||
+ | \[\mathbf{V}_1 \times \mathbf{V}_2 = \begin{vmatrix} | ||
+ | \mathbf{i} & \mathbf{j} & \mathbf{k} \\ | ||
+ | \frac{\partial X}{\partial u} & \frac{\partial Y}{\partial u} & 0 \\ | ||
+ | \frac{\partial X}{\partial v} & \frac{\partial Y}{\partial v} & 0 | ||
+ | \end{vmatrix} \] | ||
</math> | </math> |
\( \sum f(x) = F(x) + g(x) \)
\( '"`UNIQ-MathJax1-QINU`"' \)