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Mathematics, 01.10.2021 06:40 zenzen24

(r- s)^2
2r^2 -rs-s^2
r^2-rs+s^2
r^2-2 rs - s^2

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Answers: 3

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(r- s)^2
2r^2 -rs-s^2
r^2-rs+s^2
r^2-2 rs - s^2...
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