8^{k+2}=32

Lösung

8^{k + 2} = 32

k = - \frac{1}{3}

Dezimale

k = - 0.33333 \dots

Schritte zur Lösung

8^{k + 2} = 32

Wende Exponentenregel an

3 (k + 2) = 5

Löse

3 (k + 2) = 5 : k = - \frac{1}{3}

k = - \frac{1}{3}

2^{x + 2} = 64

2 = (\frac{1}{2})^{x}

5^{2 x} (3) - 14 (5^{x}) + 8 = 0

4^{x + 1} + 2^{x - 2} = 68

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