Derive the dimensions for coefficient of viscosity?

CBSE Class 11
1

Derive the dimensions for coefficient of viscosity ?

2

Coefficient of viscosity of a liquid is the viscous force per unit area of contact between the two layers having a unit velocity gradient between them perpendicular to the direction of flow.

Coefficient of viscosity of a liquid is given by:

Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.