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bella12901290
@bella12901290
July 2022
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Sos!! Me ajudem pfv :,)
exercício 6
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joncarlosilver
Exercício 6:
a) (2+√5). √2 = √2 .2 + √5 . √2 = 2√2 + √10
b)(√5- 2) . (√5+2) = (√5)² - 2² = 5 - 4 = 1
c)(3-√3) . (√3 + √2) = 3√3 + 3√2 - √3.√3 -√3.√2 = 3√3+3√2 -3-√6 = 3 - 3√3+3√2-√6
d)(√3+√7) . (√7-√2) = √3.√7 -√3.√2 + 7 -√7.√2 = √21 -√6 -√14 + 7
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bella12901290
Uau muito obrigada mesmo!
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bella12901290
August 2022 | 0 Respostas
Por favor qm souber todas ganha 30 pontos preciso muito :-) Danil ..
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a) (2+√5). √2 = √2 .2 + √5 . √2 = 2√2 + √10
b)(√5- 2) . (√5+2) = (√5)² - 2² = 5 - 4 = 1
c)(3-√3) . (√3 + √2) = 3√3 + 3√2 - √3.√3 -√3.√2 = 3√3+3√2 -3-√6 = 3 - 3√3+3√2-√6
d)(√3+√7) . (√7-√2) = √3.√7 -√3.√2 + 7 -√7.√2 = √21 -√6 -√14 + 7