pdai me mn kese lgaye

Polygon ke sabhi angles ka sum kese nikaalna hai

Iota ki power dekh kar kese nikaaloge uski value

The number of ways in which we can distribute mn students equally among m sections is given by a.((mn!))/(n!) b.((mn)!)/((n!)^(m))c((mn)!)/(m!n!)d.(mn)^(m)