Question

(a+b)square + (a - b)square​

Answer 1

Step-by-step explanation:

${(a + b)}^{2} + {(a - b)}^{2} \\ {2a}^{4}$

Answer 2

Step-by-step explanation:

(a+b)² + (a-b)²

(a² + 2ab + b²) + (a² - 2ab + b²)

2a² + 2b²

2(a²+b²)