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VictoriaRuffo
@VictoriaRuffo
May 2020
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RESOLVA COM A FÓRMULA DE BHÁSKARA.
1- Sendo
p e q as raízes reais da equação x² - 7x +10=0, Qual é o valor da expressão
?
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CharlesFilhoC
Δ=(-7)²-4*1*10
Δ=49-40
Δ=9
x=-(-7)+/-Raiz de 9 sobre "2a"
x'=
=10÷2=5
x"=
=4÷2=2
Sendo p=x' e q=x", temos:
=5²+
=25+32=57
2 votes
Thanks 3
VictoriaRuffo
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Lista de comentários
Δ=49-40
Δ=9
x=-(-7)+/-Raiz de 9 sobre "2a"
x'==10÷2=5
x"==4÷2=2
Sendo p=x' e q=x", temos:
=5²+=25+32=57