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Mathematics, 02.12.2021 20:50 dragongacha777

Kiran and Mai are trying to figure out if this equation is an identity, what do you think and why?
(a - b)^4 = a^4 – 4a^3 b + 6a^²b^2 – 4ab^3 + b^4

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Kiran and Mai are trying to figure out if this equation is an identity, what do you think and why?...
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