$$a=b$$
∇ ⋅ B → = 0 {\displaystyle \nabla \cdot {\overrightarrow {B}}=0} (posted by TerriC, Group 2)
e i θ = c o s ( θ ) + i s i n ( θ ) {\displaystyle e^{i\theta }=cos(\theta )+isin(\theta )} (Zach McDargh)
f λ = c {\displaystyle f\lambda =c}