Question

$a {}^{2} + b {}^{2}$
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Answer 1

Answer:

(a+b) ^2 - 2ab

Step-by-step explanation:

please find this answer.

if u have any doubt then don't hesitate to ask.

Answer 2

Question :

a² + b²

Answer :

a² + b²

= (a+b)² - 2ab