Let \( f, g \in \mathcal{S}(\mathbb{R}^n) \). Then,
\[ \mathcal{F}^{-1}(f \cdot g) = \left(\frac{1}{\sqrt{2\pi}}\right)^n (\mathcal{F}^{-1}f * \mathcal{F}^{-1}g), \]due to (0x68526038) .
Let \( f, g \in \mathcal{S}(\mathbb{R}^n) \). Then,
\[ \mathcal{F}^{-1}(f \cdot g) = \left(\frac{1}{\sqrt{2\pi}}\right)^n (\mathcal{F}^{-1}f * \mathcal{F}^{-1}g), \]due to (0x68526038) .