katieg28921 katieg28921

23-03-2020
Mathematics

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The expression (a^2 + b^2)^2 is equivalent to

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devishri1977 devishri1977

24-03-2020

Answer:

Step-by-step explanation:

(x + y)² = x² + 2xy + y²

(a² + b²)² = (a²)² + 2*a²*b² + (b²)² {x = a² ; y = b²}

= a⁴ +2a²b² + b⁴

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