$\displaystyle \int_{x = 0}^2 {\int_{y = 0}^{\sqrt {4 + {x^2}} } {y\sqrt {{x^2} + {y^2}} } } dxdy$ I tried using integration by substitution but couldn't get an answer. Any help would be appreciated. Thanks
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Did you try using polar coordinates?
Originally Posted by Defunkt Did you try using polar coordinates? Sweet! makes it much easier, thanks.
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