Question

Find (a+b)^2 = a^2+2ab+b^2. if a=2 and b=4​

Answer 1

(a+b)^2=a^2+2ab+b^2

a=2

b=4

(2+4)^2=2^2+2*2*4+4^2

                  = 4+16+16=36 units