Question

Multiply and find the product
(a-b)^2(a^2+b^2)

Answer 1

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(a−b)²(a²+b²)

=((a−b)²)(a²)+((a−b)²)(b²)

=a⁴−2a³b+a2b²+a²b²−2ab³+b⁴

=a⁴−2a³b+2a²b²−2ab³+b⁴

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