Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int 2 x^{3} e^{x^{2}} d x=?$
A. $e^{x^{2}}\left(x^{2}-1\right)+C$
B. $\mathrm{e}^{\mathrm{x}^{2}}\left(\mathrm{x}^{2}+1\right)+\mathrm{C}$
C. $e^{x^{2}}(x+1)+C$
D. none of these
Solution:
