Group displayed equations with braces - TeX - LaTeX Stack Exchange
File:H. A. Lorentz - Lorentz force, div E = ρ, div B = 0 - La théorie electromagnétique de Maxwell et son application aux corps mouvants, Archives néerlandaises, 1892 - p 451 - Eq. I, II, III.png - Wikimedia Commons
Solved - B or div A+B) + div Adi B 2. or curl (A + B) = curl | Chegg.com