Question

7) Simplify: (a2 - b2)2​

Answer 1

Answer:

Given, (a  

2

−b  

2

)  

2

 

Using , (a−b)  

2

=a  

2

−2ab+b  

2

 

⇒(a  

2

)  

2

−2(a  

2

)(b  

2

)+(b  

2

)  

2

 

=a  

4

−2a  

2

b  

2

+b  

4

 

Step-by-step explanation:

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Answer 2

Answer:

(a²-b²)²

a⁴+b⁴-2a²b² or. {(a+b)(a-b)}²

(a²+b²)(a²-b²)

Step-by-step explanation:

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