Корни (-2) (-1) (1)
(-2; -1) U (1; +беск)
4sqrt 2 -6sqrt 2+8sqrt 2=6sqrt2
ответ: 6*6*2=72
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Y=1/3x³+1/2x²-12x+1
y(0)=1 y(6)=72+18-72+1=19
y'=x²+x-12 x²+x-12=0 x=3 x=-4
y(3)=9+4.5-36+1=-21.5 y(-4)≈-21.3+8+48+1=35.7
min -21.5 max 35.7
Ctg(360+a<span>)=-ctga
</span>Tg(270<span>+a)=-ctga
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