= 2lg(2 * 5)-1-2 = 2lg 10-3 =-1
(2) Toma los pares naturales de 3 A = 36 y 4 B = 36 respectivamente Número: LN3 A = AlN 3 = LN36 = 2LN6, A = 2ln 6/LN3;
ln4^b=bln4=ln36=2ln6, b = 2ln 6/ln4;
2/a 1/b = 2/(ln36/ln3) 1/(2ln 6/ln4)= ln3/ln6 ln4/(2ln 6)=(2ln 3 ln4)/2ln 6 = 1