Calculation: mkM4C9 - 1

W  = 
 
 μ* μ0* H^2* S* l
/ 2
W =  
 μ* μ0* H^2* S* l
/ 2
$$W$$ = $$\frac{\mu\cdot \mu0\cdot H^{2}\cdot S\cdot l}{2}$$
W =  
 H^2* S* l* μ* μ0
/ 2
$$W$$ = $$\frac{H^{2}\cdot S\cdot l\cdot \mu\cdot \mu0}{2}$$
W =  0.5* H^2* S* l* μ* μ0$$W$$ = $$0.5\cdot H^{2}\cdot S\cdot l\cdot \mu\cdot \mu0$$