Question

what is the formula of a²+b² ?​

Answer 1

a² + b² = ?

We know that,

(a + b)² = a² + b² - 2ab

(a + b)² - 2ab = a² + b²

Therefore,

a² + b² = (a + b)² - 2ab

Answer 2

Answer:

The formula of a^2 + b^2 is

= (a + b) ^2 - 2ab

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

This is your answer.

hope you helpul.