Nilai x dari xlog 4x = -1 adalah

xlog 4x = -1
<-> xlog 4 + xlog x = -1
<-> xlog 4 + 1 = -1
<-> xlog 4 = -2
<-> [tex] x^{-2} = 4[/tex]
<-> [tex] \frac{1}{ x^{2} } = 4[/tex]
<-> [tex]4 x^{2} =1[/tex]
<-> [tex] x^{2} = \frac{1}{4} [/tex]
<-> [tex]x = \frac{+}{} \frac{1}{2} [/tex]