Mathematics, 13.02.2021 04:10 star296
HELP PLEASE
Darlene wrote this proof of the identity (x + y)^2 - (x - y)^2 = 4 xy. Which of the
following is a justification for Step 5 of her proof?
Answers: 1
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Darlene wrote this proof of the identity (x + y)^2 - (x - y)^2 = 4 xy. Which of the
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