Simplify- (a²-b²)² and tell the identity you use. – InterviewSolution

1.

Simplify- (a²-b²)² and tell the identity you use.

Answer»

Step-by-step EXPLANATION:

(a²-b²)² where a=a², b=b²

(a²-b²)²= (a²)²-2(a²)(b²)+(b²)²

= a⁴-2a²b²+b⁴

Identity: (a-b)²=a²-2ab-b²

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