Question

If a=b=2 , What is (a2 –b2 ) +2ab is *
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Answer 1

Answer:

a+b)  

2

=(a+b)(a+b)

              =(a+b)(a)+(a+b)(b)

              =a  

2

+ab+ab+b  

2

 

              =a  

2

+2ab+b  

2

Step-by-step explanation:

Answer 2

Answer:

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

(2^2 - 2^2) + 2(2)(2)

(4 - 4) + 8

0 + 8

8

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