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Aluno

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Estudos Gerais05/08/2024

1. No caderno, resolva as equações sendo

  1. No caderno, resolva as equações sendo xx um número real. a) x24=0x^{2}-4=0 b) x2=9x^{2}=9 f) 2x2+5=0-2 x^{2}+5=0 c) 4x225=04 x^{2}-25=0 g) x2+1=0x^{2}+1=0 h) 3x2=23 x^{2}=2 d) 9x2=169 x^{2}=16 i) 4x2=1004 x^{2}=100 e) 2=x22=x^{2} j) 2x2+11=02 x^{2}+11=0

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