Quiz 2:微分技巧
設 \(V = 25{x^2}\) ,則 \(\frac{{dV}}{{dt}} = ?\)
\(25\frac{{dx}}{{dt}}\)
\(50\frac{{dx}}{{dt}}\)
\(50x\frac{{dx}}{{dt}}\)
\(25x\frac{{dx}}{{dt}}\)