Давай по шагам разберем это сложное выражение:
\[ a^{14} \(\times\) (b^4)^3 = a^{14} \(\times\) b^{4 \(\times\) 3} = a^{14} \(\times\) b^{12} \)
\[ \(a \times b\)^{12} = a^{12} \(\times\) b^{12} \)
\[ \(\frac\){a^{14} \(\times\) b^{12}}{a^{12} \(\times\) b^{12}} \)
\[ \(\frac\){a^{14}}{a^{12}} \(\times\) \(\frac\){b^{12}}{b^{12}} = a^{14-12} \(\times\) 1 = a^2 \)
\[ a^2 = 3^2 = 9 \)
Ответ: 9