Q:

Mensa Norway Question Help Please

Anyone can please help with this question? Currently stuck here.
Source: Mensa Norway

A:

 Add the first two columns in a row to get the third column, or the first two rows in a column to get the third row.    

 Nothing + Square = Square

 Nothing + Dot = Dot

 Two dots added together make a square.

 Two squares added together make a dot.

 Square + Dot cancel each other

Answer:

 

