Question

proof the identity ( a+b)^2. plz answer its really urgent

Answer 1

(a+b) * (a+b) = a2 +ab + ba + b2 = a2 + 2ab + b2

Answer 2

 ( a + b ) ^ 2= ( a + b ) ( a + b )
                    
                     = ( a^ 2 + ab + ba + b^2)
                     
                    = a^2 + 2ab + b^2
                  
               very easy ...it is for 2 mark ..I wish it is helpful