Question

a plus b ka whole square ​

Answer 1

Answer:

Your answer is, a²+b²+2ab

Step-by-step explanation:

(a+b)²= a²+b²+2ab

Answer 2

Answer:

(a+b)^2=(a)^2+2×a×b+(b)^2

Let's take an example

(45)^2

=(40+5)^2

so A =40 and B =5

then (40)^2+2×40×5+(5)^2

=1600+400+25

=2025

(45)^2=2025