Question

why a^2 +b^2 = a^2+b^2+2ab
explain ​

Answer 1

Answer:

because it is an egaution fo

Answer 2

Step-by-step explanation:

you mean why

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

so it's an indentity

to prove it just expand the bracket

the proof is attached

hope it helps u

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