log_{3}(x^2-5x-9)=3

Lösung

lo g_{3} (x^{2} - 5 x - 9) = 3

x = 9, x = - 4

Schritte zur Lösung

lo g_{3} (x^{2} - 5 x - 9) = 3

Wende die log Regel an

x^{2} - 5 x - 9 = 27

Löse

x^{2} - 5 x - 9 = 27 : x = 9, x = - 4

x = 9, x = - 4

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

ln (9 x - 4) = 4

lo g_{a} (5) = 0.02

lo g_{16} (x) = \frac{5}{2}

ln (2) + ln (k - 4) = \frac{1}{3}