que =80 please solve this problem...????
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Expanding each term,
(x^3 + 3x^2y + 3xy^2 + y^3) - (x^3 - 3x^2y + 3xy^2 - y^3) - 6x^2y + 6y^3
= y^3 + y^3 + 6y^3 = 8y^3
Option: (d)
(x^3 + 3x^2y + 3xy^2 + y^3) - (x^3 - 3x^2y + 3xy^2 - y^3) - 6x^2y + 6y^3
= y^3 + y^3 + 6y^3 = 8y^3
Option: (d)
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