$$\frac { \operatorname { r a c t } P _ { n } ( u a t ) } { ( 6 + 3 \sqrt { 11 } ) ( 5. \sqrt { 2 } - 2 \sqrt { 11 } ) }$$
$\frac{\left(5\sqrt{22}+22-4\sqrt{11}-10\sqrt{2}\right)P_{n}cru\left(at\right)^{2}}{126}$
$\frac{\frac{1}{6}\left(5\sqrt{22}+22-4\sqrt{11}-10\sqrt{2}\right)P_{n}crua^{2}t^{2}}{21}$
