Find the value of $\displaystyle {\int_{{1}}^{{\infty}}}{7}{x}^{{2}}{e}^{{-{x}^{{3}}}}{\left.{d}{x}\right.}$
Preview Question 6 Part 1 of 2  
Determine whether $\displaystyle {\sum_{{{n}={1}}}^{\infty}}{\left({7}{n}^{{2}}{e}^{{-{n}^{{3}}}}\right)}$
Enter C if series is convergent, D if series is divergent.