Question

4. Simplify the following:
(i) (a + b)² + (a - b)?​

Answer 1

Answer:

(a + b)² + (a - b)

(a + b)² (a - b)

Id. Used = (a)² - (b)²

Therefore, (a)² - (b)²

Therefore, a² - b²

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Answer 2

Answer:

Shayad tum ye que puch rahi ho :

      ( a + b )² + ( a - b)²

   =  a² + 2ab + b² + a² -2ab + b²

   = 2a² + 2b²

   = 2 ( a² + b² )    ( Ans.)