log_{125}(a)= 1/3

Lösung

lo g_{125} (a) = \frac{1}{3}

a = 5

Schritte zur Lösung

lo g_{125} (a) = \frac{1}{3}

Wende die log Regel an

a = 5

lo g_{6} (x + 15) + lo g_{6} (x + 6) = 2

0 = x - ln (x) - 1

5 ln^{2} (x) = 25 ln (x^{2})

4 lo g_{2} (x) = 3

lo g_{5} (4 x + 7) - lo g_{5} (x) = 2