Question

Find the value of (a – b) (a + b) + (b – a) (b +a)​

Answer 1

Answer:

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

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

a^2-b^2+b^2-a^2

All  the  terms  get   cancelled .

Step-by-step explanation:

The  answer  is  1.

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