1.7 Lösning 2a

\( \, (2 \cdot 3)\,^2 \, = \, (\,6\,)\,^2 \, = \, 6\,^2 \, = \, 6 \cdot 6 \, = \, 36 \, \)

\( \, 2\,^2 \cdot 3\,^2 \, = \, 2 \cdot 2 \, \cdot \, 3 \cdot 3 \, = \, 4 \cdot 9 \, = \, 36 \, \)

\( \; \Downarrow \)

\[ \;\;\, (2 \cdot 3)\,^2 \; = \; 2\,^2 \cdot 3\,^2 \, \]

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