Question

a²+b² do you know this identity if yes then please help me.thank you​

Answer 1

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

Answer 2

Answer:

Step-by-step explanation:

a² + b² = ( a + b )² - 2ab

or , a² + b² = ( a - b )² + 2ab

[ Both can be used ]