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Resolva as equações to desesperado x²-100=0
minha professora passou este \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\” resolva as equações\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\” x²-100=0
X elevado 2 -100= 0
X elevado 2=100
X= +- raiz quadrada de 100
X=+- 10.
Espero ter ajudado..
x²-100=0
Passando o 100 para o outro lado vai ficar:
X²= +100
Agora x² irá ficar a raiz quadrada de 100
X= ?100
O valor obtido para x será , x= + ou – 10
x elevado 2-100 = o
x elevado 2 = 100
x = raiz quadrada de 100
x = 10
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x^2+100=0
x^2=-100
x=?(-100)
Não existe solução nos reais
Para os complexos temos
x=10i e x=-10i