What you have written here is an equation.
You can define as
a2+b2=y
If you want to derive a^2+b^2 from ( a+b)^2
(a+b)2=a2+b2+2ab
Ora2+b2=(a+b)2−2ab
Answer:
A^2+B^2= C^2
Step-by-step explanation:
i hope it works
