\(\left[ U \right] = \frac{{[A]\,[{x^{1/2}}]}}{{[{x^2}]\, + \,[B]}}\)
\(⇒ [M{L^2}{T^{ - 2}}] = \frac{{[A]\,[{L^{1/2}}]}}{{[{L^2}]}}\)
\(\therefore\,[A] = [M{L^{7/2}}{T^{ - 2}}]\)
\([AB]\, = \,[M{L^{7/2}}{T^{ - 2}}] \times [{L^2}]\) \( = [M{L^{11/2}}{T^{ - 2}}]\)
( $Q =$ કદ પ્રવાહ દર $m^3/s$ માં અને $P =$ દબાણ)