Calculation: la99sn - 1

L  = 
 μ* μ0* n^2* S* l
L =  μ* μ0* n^2* S* l$$L$$ = $$\mu\cdot \mu0\cdot n^{2}\cdot S\cdot l$$
L =  S* l* n^2* μ* μ0$$L$$ = $$S\cdot l\cdot n^{2}\cdot \mu\cdot \mu0$$