Diketahui 2^x + 2^-x = 5. Nilai 2^2x + 2^-x =
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Pertanyaan
Diketahui 2^x + 2^-x = 5. Nilai 2^2x + 2^-x =
1 Jawaban
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1. Jawaban blandinalija
[tex]2^x + 2^{-x} = 5.[/tex]
[tex]Nilai: 2^2x + 2^{-x} =y[/tex]
[tex]2^x+2^{-x}=5 2^x+\frac{1}{2^x}=5 [/tex]
[tex]\frac{4^x}{2^x}+\frac{1}{2^x} \frac{1+4x}{2^x}[/tex][tex]\frac{2^x.2^x}{2^x}+\frac{1}{2^x}[/tex]