$7-36$ Evaluate the indefinite integral.

$7.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}xsin(x^2)dx$

$8.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}{x}^2(x^{3}5{)}^{9}dx$

$9.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(3x-2{)}^{20}dx$

$10.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(3t2{)}^{24}dt$

$11.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}sintdt$

$12.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}{e}^{x}cos(e^x)dx$

$13.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{(lnx{)}^2}{x}dx$

$14.{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{x}{(x^{2}1{)}^2}dx$