4^x= 1/128

Lösung

4^{x} = \frac{1}{128}

x = - \frac{7}{2}

Dezimale

x = - 3.5

Schritte zur Lösung

4^{x} = \frac{1}{128}

Wende Exponentenregel an

2 x = - 7

Löse

2 x = - 7 : x = - \frac{7}{2}

x = - \frac{7}{2}

3^{2 x - 2} = \frac{1}{243}

250 = \frac{( e ^{42 r} - 1 )}{r}

(5^{2})^{x} = 125

9^{x^{2}} \cdot 3^{7 x} = 81

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