(a²+b²)²=(a²-b²)²+4a²b²
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Step-by-step explanation:
Taking L.H.S
(a²+b²)²=a⁴+b⁴+2a²b²
Taking R.H.S
(a²-b²)²+4a²b²=a⁴+b⁴-2a²b²+4a²b²
=a⁴+b⁴+2a²b²
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