Question

Solve (a-b)^2 ( A ) (a+b)^2+2ab ( B ) (a+b)^2+4ab ( C ) (a+b)^2-4ab ( D ) (a+b)^2-2ab

Answer 1

Answer:

C) (a + b)² - 4ab

Step-by-step explanation:

(a - b)² = a² + b² - 2ab

          = a² + b² + 2ab - 2ab - 2ab (add and subtract 2ab)

          = (a + b)² - 4ab