QUESTION $9$

${\displaystyle \underset{0}{\overset{1}{}}}{\displaystyle \underset{x^2}{\overset{1}{}}}\sqrt[\phantom{2}]{y}sinydydx=$

a$.{\displaystyle \underset{0}{\overset{1}{}}}\sqrt[\phantom{2}]{y}sinydy$

b$.{\displaystyle \underset{0}{\overset{1}{}}}xcos{x}^{2}dx$

c$.{\displaystyle \underset{x^2}{\overset{1}{}}}{\displaystyle \underset{0}{\overset{1}{}}}\sqrt[\phantom{2}]{y}sinydxdy$

d$.{\displaystyle \underset{0}{\overset{1}{}}}ysinydy$

e$.0$