2^{x^3}=128^x

Lösung

2^{x^{3}} = 12 8^{x}

x = 0, x = - 7, x = 7

Dezimale

x = 0, x = - 2.64575 \dots, x = 2.64575 \dots

Schritte zur Lösung

2^{x^{3}} = 12 8^{x}

Wende Exponentenregel an

x^{3} = 7 x

Löse

x^{3} = 7 x : x = 0, x = - 7, x = 7

x = 0, x = - 7, x = 7

6^{2 x - 1} + 180 = 6^{2 x}

3^{x + 2} = 3^{2 x - 5}

2 (2^{2 x}) + 4 = 9 (2^{x})

\frac{40}{1 + e ^{- x}} = 2

e^{x} - 2 e^{- x} - 1 = 0