If a4 + a2b2 + b4 = 63 and a2 - ab + b2 = 7 then the value of a2 + ab + b2 is. ( step by step explanation)
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Answer:
√63
Step-by-step explanation:
a⁴ +a²b² + b⁴ = 63
a² + ab + b² = x
a⁴ +a²b² + b⁴ = (a² + ab + b²)² = 63
a² + ab + b² = √63
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