69=25^x

Lösung

69 = 2 5^{x}

x = \frac{ln ( 69 )}{2 ln ( 5 )}

Dezimale

x = 1.31539 \dots

Schritte zur Lösung

69 = 2 5^{x}

Wende Exponentenregel an

ln (69) = x ln (25)

Löse

ln (69) = x ln (25) : x = \frac{ln ( 69 )}{2 ln ( 5 )}

x = \frac{ln ( 69 )}{2 ln ( 5 )}

2^{x} = e^{x l n (2)}

\frac{4}{( 2 ^{x} )} = 98

N = 0.892 e^{0.0091 t}

5^{x + 2} = 1

2^{x} - 12 \cdot 2^{x} + 32 = 0