Question

a2 - b2 from b2 - a2

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Answer 1

Given, (a2−b2)2 

Using , (a−b)2=a2−2ab+b2

⇒(a2)2−2(a2)(b2)+(b2)2

=a4−2a2b2+b4

Answer 2

Answer:

,

Step-by-step explanation:

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