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