Testing some LaTeX

Just testing some \LaTeX. Some of the world’s most favourite equations:

\nabla \cdot \textbf{D} = \rho \\  \nabla \cdot \textbf{B} = 0 \\  \nabla \times \textbf{E} = \frac{\partial \textbf{B}}{\partial t} \\  \nabla \times \textbf{H} = \frac{\partial \mathbf{D}}{\partial t} + \mathbf{J}

\mathbf{F} = m\mathbf{a}

a^2 + b^2 = c^2

H\psi = E\psi

E = mc^2

S = k \ln W

1+1 =2

\delta S = 0

p = \frac{h}{\lambda}

 

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