Problem $1-14$ aras$$nda$,$ verilen integralleri hesaplay$$n$$z$.$

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(12x^2{e}^{-4xy}-5x+1)dy$

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{1}{4+3xy}dx$

${\displaystyle \underset{y^3}{\overset{y}{}}}{y}^{2}sinxydx$

${\displaystyle \underset{\frac{1}{x}}{\overset{e^x}{}}}\frac{x}{y^2}dy$

${\displaystyle \underset{0}{\overset{2}{}}}{\displaystyle \underset{0}{\overset{2x}{}}}y{e}^{y-x}dydx$

${\displaystyle \underset{0}{\overset{4}{}}}{\displaystyle \underset{x}{\overset{4}{}}}\frac{1}{16+x^2}dydx$

${\displaystyle \underset{0}{\overset{1}{}}}{\displaystyle \underset{x}{\overset{\sqrt[\phantom{2}]{?}x}{}}}\frac{siny}{y}dydx$

${\displaystyle \underset{e}{\overset{e^2}{}}}{\displaystyle \underset{0}{\overset{\frac{1}{x}}{}}}lnxdydx$

${\displaystyle \underset{0}{\overset{5}{}}}{\displaystyle \underset{0}{\overset{\frac{}{2}}{}}}{\displaystyle \underset{0}{\overset{cos}{}}}3r^{2}drddz$

${\displaystyle \underset{\frac{}{4}}{\overset{\frac{}{2}}{}}}{\displaystyle \underset{0}{\overset{sinz}{}}}{\displaystyle \underset{0}{\overset{lnx}{}}}{e}^{y}dydxdz$