(a*b)/c+13*d
ur code
another line
\[
{\frac {ab}{c}}+13\,d
\]
- Articolo, G.A., Partial Differential Equations and Boundary Value Problems with Maple, Academic Press; 2nd Edition, 2009.
- Haberman, R., Applied Partial Differential Equations with Fourier Series and Boundary Value Problems (Classic Version), 5th edition, Pearson, 2018.