Update README.md

Signed-off-by: Fabiana  🧬 Campanari <113218619+FabianaCampanari@users.noreply.github.com>

Author: FabianaCampanari

README.md

@@ -1679,6 +1679,12 @@ v_1 &= 12, \quad v_2 = 18, \quad v_3 = 37
 
 #### [1.2]():  Compute Reduced Costs for Non-Basic Variables  
 
+
+c̄ᵢⱼ = uᵢ + vⱼ - cᵢⱼ
+
+bar{c}_{ij} = u_i + v_j - c_{ij}
+
+
 $\bar{c}_{ij} = u_i + v_j - c_{ij}$