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

User Ishmael
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Answer:


{(x - y)}^(2) \\ = (x - y)(x - y)

open the brackets:


= ( {x}^(2) - xy - xy + {y}^(2) ) \\ = {x}^(2) - 2xy + {y}^(2)

User Andrei Bucurei
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