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AndrewsVN
@AndrewsVN
January 2020
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Determine as equações exponenciais
(1/4)^x-1 = 16^x+2
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secretpower99
(1/4)^x-1 = 16^x+2
(4^-1)^x-1 = (4^2)^x+2
4^(-1)×(x-1) = 4^(2)×(x+2)
4^-x+1 = 4^ 2x+4
-x+1 = 2x+4
-x-2x = 4-1
-3x = 3
x = 3/(-3)
x = -1
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(4^-1)^x-1 = (4^2)^x+2
4^(-1)×(x-1) = 4^(2)×(x+2)
4^-x+1 = 4^ 2x+4
-x+1 = 2x+4
-x-2x = 4-1
-3x = 3
x = 3/(-3)
x = -1