Considere as expreessões:considere as expreessões:
I - (a - b)² = a² - b²
II - a² + b² = (a +...
Mathematics, 06.04.2021 17:00 layshascott
Considere as expreessões:considere as expreessões:
I - (a - b)² = a² - b²
II - a² + b² = (a + b)² - 2ab
III - (a + b)² - (a - b)² = 4ab
Então:
a - sao todas falsas
b - sao todas verdadeiras
c - somente II e III são verdadeiras
d - somente I e III são verdadeiras
Answers: 2
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