e^{4x}=81

Lösung

e^{4 x} = 81

x = ln (3)

Dezimale

x = 1.09861 \dots

Schritte zur Lösung

e^{4 x} = 81

Wende Exponentenregel an

4 x = ln (81)

Löse

4 x = ln (81) : x = ln (3)

x = ln (3)

3^{2 x + 1} - (16) 3^{x} + 5 = 0

4^{3 x - 3} = 1 6^{2 x - 1}

1500000000 = 766 e^{0.0182 t}

9^{x} + 3 = 4 (3^{x})

0 = 3 - 2^{x}