Question

(a2-b2)2+4a2b2
$(a2-b2)2+4a2b2$
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Answer 1

Step-by-step explanation:

(a²-b²)²+4a²b²=(a²)²+(b²)²-2a²b²+4a²b²

=(a²)²+(b²)²+2a²b²

=(a²+b²)² {we know a²+b²+2ab=(a+b)²}

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