\(\left[ {M{L^2}{T^{ - 2}}} \right] = {\left[ {ML{T^{ - 2}}} \right]^a}{\left[ {L{T^{ - 2}}} \right]^b}{\left[ T \right]^c}\)
\(\left[ {M{L^2}{T^{ - 2}}} \right] = \left[ {{M^a}{L^{a + b}}{T^{ - 2a - 2b + c}}} \right]\)
\(\therefore \) \(a = 1\), \(a + b = 2\) \(⇒\) \(b = 1\)
and \( - 2a - 2b + c = - 2\;\; \Rightarrow \;c = 2\)
\(\therefore \) \(E = KFA{T^2}\).