F1 FORMELSAMMLUNG - BINOMI
FORMELSAMMLUNG F2 Potenzen und Logarithmen (a Basis, mit 0 < a 6= 1) y = ax ⇐⇒ x = log a y a x+y =a ay log a xy =loga x +loga y ax−y = a x ay loga x y =loga x −loga y a−x = 1 ax loga 1 x =−loga x = loga x −1 a0 =1 log a 1 =0 (ax)r =axr = (ar)x log a x r =rlog a x aloga x = x, x > 0 loga(ax) = x, x ∈ R Logarithmen zu verschiedenen Basen loga x = logb