Всё в скрине помогите пжл
2^x=a (a²-8a+7)/(a²-5a+4)-(a-9)(a-4)-1/(a-6)≤0 a²-8a+7=0 a1+a2=8 U a1*a2=7⇒a1=1 U a2=7 a²-5a+4=0 a1+a2=5 U a1*a2=4⇒a1=1 U a2=4 (a-1)(a-7)/(a-1)(a-4)-(a-9)(a-4)-1/(a-6)≤0 (a-7)/(a-4)-(a-9)(a-4)-1/(a-6)≤0 a≠1⇒2^x≠1⇒x≠0 [(a-6)(a-7-a+9)-a+4]/(a-6)(a-4)≤0 (2a-12-a+4)/(a-6)(a-4)≤0 (a-8)/(a-6)(a-4)≤0 a=8 a=6 a=4 _ + _ + ------------------(4)------------(6)--------------[8]------------ a<4⇒2^x<4⇒x<2 U x≠0<br>6x∈(-∞;0) U (0;2) U (log(2)6;3]