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12-08-2021
Mathematics

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what is the bionomial expansion of (x-1y)^2

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Аноним Аноним

12-08-2021

Answer:

[tex] {(x - y)}^{2} \\ = (x - y)(x - y)[/tex]

open the brackets:

[tex] = ( {x}^{2} - xy - xy + {y}^{2} ) \\ = {x}^{2} - 2xy + {y}^{2} [/tex]

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