lahebra
11.04.2021 •
Mathematics
Expand the square of a binomial (r-q)^2
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Ответ:
Step-by-step explanation:
Either memorize these two formulas, or derive them through multiplying r - q by r - q.
(r - q)^2 = r^2 - 2qr + q^2, and
(r + q)^2 = r^2 + 2qr + q^2 This is the square of the binomial (r + q).
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