5^{2-x}= 1/125

Lösung

5^{2 - x} = \frac{1}{125}

x = 5

Schritte zur Lösung

5^{2 - x} = \frac{1}{125}

Wende Exponentenregel an

2 - x = - 3

Löse

2 - x = - 3 : x = 5

x = 5

6^{x + 1} + 6^{2 - x} = 42

5^{2 x} = 6^{x + 1}

2^{x + 1} = 1 6^{x - 4}

\frac{6 e ^{x}}{( 6 + e ^{x} ) ^{2}} = 0

4^{x + 1} = 3