$x y$

$xy$

$x^2$

$x^2$

$x$

$x$

$0$

$0$

$1.$

$1.$

$\mathrm{Student}\left[\mathrm{MultivariateCalculus}\right]\left[\mathrm{SurfaceArea}\right]\left(\,x\=..\,y\=..\,\mathrm{output}\=\mathrm{integral}\right)$

${\∫}_0^{1.}{\∫}_{x^2}^x\sqrt{1\+y^2\+x^2}\ⅆy\ⅆx$

$\mathrm{Student}\left[\mathrm{MultivariateCalculus}\right]\left[\mathrm{SurfaceArea}\right]\left(\,x\=..\,y\=..\right)$

$0.2031164292$