1) 3x-6+x <4x+1
4x-6 <4x+1
-6 <1
2) 5x+10-x> 3x-3+x
4x+10> 4x-3
10> -3
B1= -25, b2= -20
q= -20/ -25 = 0,8
<span>b4= b1 x q = -25 x 0,8³ = - 12,8</span>
(2²*3)^8*(3²)^12/(2*3)^12=2^16*3^8*3^24/(2^12*3^12)=
=2^16*3^32/(2^12*3^12)=2^4*3^20
S=a^2sqrt(3)/4=9sqrt(3)
a=6
R=3/sin2a
sina=3/4
cosa=sqrt(1-9/16)=sqrt(7)/4
sin2a=2*sqrt(7)*3/16=3sqrt(7)/8
R=8/sqrt(7)
h^2=4^2-64/7=16-64/7=48/7
h=4*sqrt(3/7)