3^x=15

Lösung

3^{x} = 15

x = \frac{ln ( 15 )}{ln ( 3 )}

Dezimale

x = 2.46497 \dots

Schritte zur Lösung

3^{x} = 15

Wende Exponentenregel an

x ln (3) = ln (15)

Löse

x ln (3) = ln (15) : x = \frac{ln ( 15 )}{ln ( 3 )}

x = \frac{ln ( 15 )}{ln ( 3 )}

e^{2 x} = 6 e^{x}

0. 2^{x} = 25

38 + 12 e^{- 0.5 y} = 208

2^{2 x + 1} = 32

lo g_{5} (5^{2 x}) = 8