Question

(a+b)²+(a-b)²=
please answer the question​

Answer 1

Answer:

$a { }^{2} + b {}^{2} + 2ab + a { }^{2} + b {}^{2} - 2ab \\ = 2a {}^{2} + 2b {}^{2}$

Answer 2

Answer:

2a^2 + 2b^2

Step-by-step explanation:

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

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

=2a^2 + 2b^2

Answer provided by Gauthmath