81^x= 1/27

Lösung

8 1^{x} = \frac{1}{27}

x = - \frac{3}{4}

Dezimale

x = - 0.75

Schritte zur Lösung

8 1^{x} = \frac{1}{27}

Wende Exponentenregel an

4 x = - 3

Löse

4 x = - 3 : x = - \frac{3}{4}

x = - \frac{3}{4}

8^{5 - x} = 3

2^{3 x - 4} = 11

1 6^{t - 0.25} = \frac{1 6 ^{t}}{2}

2^{x} - 4^{x} - 72 = 0

2^{x + 1} = 300