Question

solve (a+b)the whole square+(a-b)the whole square

Answer 1

Step-by-step explanation:

(a+b)² + (a-b) ²

= a²+2ab+b² + a²-2ab+b²

=2(a²+b²)

Answer 2

Answer:

Use the identity

(a+b) whole square (a-b) whole square = a square - b square