13
(3^x*6^x-3^x)-6*6^x-6)=0
3^x*(6^x-1)-6(6^x-1)=0
(6^x-1)(3^x-6)=0
6^x-1=0⇒6^x=1⇒x=0
3^x-6=0⇒36x=6⇒x=log(3)6
0+log(3)6=log(3)6
3^log(3)6=6
Ответ6
14
ОДЗ x-2>0⇒x>2⇒x∈(2;∞)
y`=12/(x-2)-2x-6=(12-2x²-6x+4x+12)/(x-2)=-2(x²+x-12)/(x-2)=0
-2(x²+x-12)=0
x1+x2=0 U x1*x2=-12
x1=-4 ∉ОДЗU x2=3
+ _
(2)------------(3)----------------
max
Ответ 3
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Answers & Comments
13
(3^x*6^x-3^x)-6*6^x-6)=0
3^x*(6^x-1)-6(6^x-1)=0
(6^x-1)(3^x-6)=0
6^x-1=0⇒6^x=1⇒x=0
3^x-6=0⇒36x=6⇒x=log(3)6
0+log(3)6=log(3)6
3^log(3)6=6
Ответ6
14
ОДЗ x-2>0⇒x>2⇒x∈(2;∞)
y`=12/(x-2)-2x-6=(12-2x²-6x+4x+12)/(x-2)=-2(x²+x-12)/(x-2)=0
-2(x²+x-12)=0
x1+x2=0 U x1*x2=-12
x1=-4 ∉ОДЗU x2=3
+ _
(2)------------(3)----------------
max
Ответ 3