解:
由已知函数表达式,得到
$\displaystyle f(1)=0.f'(t)=e^{t^2},$
所以
$\begin{align*}\int_{0}^{1}t^2f(t)dt&=\frac{1}{3}t^3f(t)|_0^1-\frac{1}{3}\int_{0}^{1}t^3f'(t)dt\\\\&=0-\frac{1}{3}\int_{0}^{1}t^3e^{t^2}dt\\\\&=-\frac{1}{6}\int_{0}^{1}t^2e^{t^2}dt^2\\\\&\overset{y=t^2}{=}-\frac{1}{6}\int_{0}^{1}ye^{y}dy\\\\&=-\frac{1}{6}.\end{align*}$