" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3^2x +3=4*3^x
pomocnicza niewiadoma
u=3^x
u²+3=4*u
u²-4u+3=0
Δ=16-12=4 √Δ=2
u1=(4-2)/2=1
u2=6/2=3
3^x=1⇒x1=0
3^x=3⇒x2=1
pozdr
Hans
sprawdzenie na zalaczniku