Y`=4x³-8x²=4x²(x-2)=0
x=0 x=2
_ _ +
-------------------(0)--------------(2)--------------------
min
0,16 * 0,25,=0,04
0,16
х
0,25
__________
00080
<span>+
</span> 00320
<span>+
</span> 00000
_______
<span> 0.04</span>
C2(в квадрате)-3c+2c-6= c2(в квадрате)-c-6
Tgx>√3
x∈(π/3+πn;π/2+πn,n∈z)
1) [(3(n+1)-1)/(5(n+1)+2)]/(3n-1)/(5n+2)=
=(3n+2)(5n+2)/(3n-1)(5n+7)
15n^2+16n+4-15n^2-16n+7=11>0
2) [(n+2)/2n+3)]/(n+1)/(2n+1)=
(n+2)*(2n+1)/[(2n+3)*(n+1)]
2n^2+5n+2-2n^2-3-5n=-1<0
3)