$$\left. \begin{array} { l } { \frac { 15 } { ( 10.0214 ) ( 41 + 1 \times 11 + 31 ) } 40 , 40 ( - \frac { 1.414 } { 211 } ) } \\ { 78.24 \times 2 2410 } \end{array} \right.$$
