$$\left. \begin{array} { l } { \quad \sqrt { 1 - 4 } } \\ { \text { a . F i n c h e s h e d i n d t h e f o r d a \right.$$
$$-7*Ex*e^5*a^2*n^2*d*t^4*h^4*s^2*m*p*l*c*o*f$$