Simplify: (a+b)( a2+b2+ab)(a+b)(a2+b2-ab)
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Answer:
(a+b)². (a²+ab+b²)²
Step-by-step explanation:
(a+b)( a2+b2+ab)(a+b)(a2+b2-ab)
= (a+b)² (a²+b²+ab) (a²+b²-ab)
= (a+b)². a⁴ + a²b² + a³b + a²b² + b⁴ + ab³ -a³b -ab³- a²b²
= (a+b)². a⁴ + a²b² + b⁴
= (a+b)². (a² +ab + b²)²
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