9=2^x

Lösung

9 = 2^{x}

x = \frac{2 ln ( 3 )}{ln ( 2 )}

Dezimale

x = 3.16992 \dots

Schritte zur Lösung

9 = 2^{x}

Wende Exponentenregel an

ln (9) = x ln (2)

Löse

ln (9) = x ln (2) : x = \frac{2 ln ( 3 )}{ln ( 2 )}

x = \frac{2 ln ( 3 )}{ln ( 2 )}

e^{(0.1) k} = 5

2 e^{3 x} - 1 = 5

e^{2 x + 3} = 4

so l v e f or x, 8^{- x} = \frac{1}{2}

e^{x + 1} + e^{x + 2} = \frac{1}{π}