Karnaugh Map is used to simplify Boolean algebra expressions. It is a graphical technique of simplifying Boolean expressions. It is also known as K-map. K-map contains two types of methods: 1. SOP (Sum Of Product): This produces logical expressions that contain OR of multiple AND terms. Example: b⋅d+d⋅c 2. POS (Product Of Sum): This produces logical expressions that contain AND of multiple OR terms. Example: (b+d)(d+c) Explaination: The first quad will form from the K-map: (ab−00,10,cd−00,10) Value is: b⋅d The second quad will form from the K-map: (ab−00,10,cd−00,01) Value is c⋅b So, the minimal form of the given K-map is b⋅d+c⋅b. Hence, the correct answer is "option 2".