Compute F ''(2) When F(t) = $\frac { 3 } { ( 3 t - 1 ) ^ { 2 } }$

Short Answer

Compute f ''(2) when f(t) = $\frac { 3 } { ( 3 t - 1 ) ^ { 2 } }$ .
Enter just a reduced fraction of form $\frac { a } { b }$ .