<span>33*2^(x-1)-2^(x+1)=29</span>
2^(x-1)=t
33t-4t=29
t=1
2^(x-1)=1
x-1=0
x=1
<span><span>Log 4 по основанию 0,5 =-2 </span></span><span>(1/2)^(-2)=4 </span><span><span>Log 25 по основанию корень из 5 = 4 </span></span><span><span><span>(корень из 5)^4=25 </span></span></span><span><span><span>(-2)+4=2</span></span></span>
(1+cos6)/2+(1+cos2)/2-1/2(cos6+cos2)=1/2+1/2cos6+1/2+1/2cos2-1/2cos6-1/2cos2=1