25^x=0.25

Lösung

2 5^{x} = 0.25

x = \frac{ln ( 0.25 )}{2 ln ( 5 )}

Dezimale

x = - 0.43067 \dots

Schritte zur Lösung

2 5^{x} = 0.25

Wende Exponentenregel an

x ln (25) = ln (0.25)

Löse

x ln (25) = ln (0.25) : x = \frac{ln ( 0.25 )}{2 ln ( 5 )}

x = \frac{ln ( 0.25 )}{2 ln ( 5 )}

3^{2 x + 2} = 9^{10}

1000 = 2^{n}

9^{x - 1} - 3^{x - 2} = 8

5^{x} = 0

5^{x} + (3) \cdot (5^{x - 2}) = 140