Simplify:- (a²-b²) (a²+b²) -(a²-b²) ² – InterviewSolution

1.

Simplify:- (a²-b²) (a²+b²) -(a²-b²) ²

Answer»

Step-by-step EXPLANATION:

(a²-b²) (a²+b²) = a⁴-b⁴

(a²-b²) ²=a⁴+b⁴-2a²b²

now a⁴-b⁴-(a⁴+b⁴-2a²b²)

=a⁴-b⁴-a⁴-b⁴+2a²b²

=-2b⁴+2a²b²

=2b²(a²-b²)

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