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Inline: \(e^{ix}=\cos x +i\sin x\)

Stokes, centered:

$$\int_{\partial\Omega}\omega = \int_\Omega d\omega$$

Gauß:

$$\int_D ({\nabla\cdot} F)dV=\int_{\partial D} F\cdot ndS \tag A$$

Cauchy:

$$f(a) = \frac{1}{2\pi i} \oint\frac{f(z)}{z-a}dz \tag* B$$