log_{0.3}(x)=-2

Lösung

lo g_{0.3} (x) = - 2

x = \frac{1}{0.09}

Dezimale

x = 11.11111 \dots

Schritte zur Lösung

lo g_{0.3} (x) = - 2

Wende die log Regel an

x = \frac{1}{0.09}

lo g_{5} (x + 3) = 1 - lo g_{5} (x - 1)

3 lo g_{10} (x) = 3

ln (3 x) = 2

ln (6 x - 9) - 2 ln (x) = 0

ln (t) - ln (t + 1) = 2