" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)2^-3*2^0*1/2^-3=(1/2)3*1*2^3=1/8*1*8=1
b)(2√2)²-(3√3)²=4*2-9*3=-19
c)=
=
2.
3.
a)2-2|x+4|≥-4
-2|x+4|≥-6
-|x+4|≥-3
|x+4|≤3
x+4≤3∨x+4≥-3
x≤-1∨x≥-7
x∈<-7;-1>
b)