1 per ( -1 per 4)⁻⁴ =.. pake caranya ya.trims

maap kalau salah ya :)

[tex] \frac{1}{( \frac{-1}{4}) ^{-4} } = ... \\ \\ = ( \frac{-1}{4} )^{4} \\ \\ = \frac{1}{ 4^{4} } \\ \\ = \frac{1}{256} [/tex]