" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(x+5)62-(x-3)^-x-91=0
x^2+10x+25-x^2+6x-9-x-91=0
15x-75=0
15x=75
x=5
log5(0,2)+log√5(5)= log5(1/5)+log√5(5)=-1+2=1
b)
(1/5)^4x+1≥5^x+2
((5)^-1)^4x+1≥5^x+2
-1(4x+1)≥x+2
-4x-1≥x+2
-5x≥3
x≤-3/5