Opgave 1
$ 0,25^{2t - 1} = 256\sqrt 2 $
Opgave 2
$ 2\left\{ {{}^2\log (x - 1) - {}^4\log (x^2 + 1)} \right\} = 1 - {}^4\log (25) $
Opgave 3
$ \left( {\frac{1}{9}} \right)^{x + 4} = 2 \cdot \frac{1}{{\sqrt 3 }} $