Comments by "Fhf Fhf" (@fhffhff) on "SciOne"
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х=2+3(2+3х³)³/>/> 81(х³+2/3)³+х-2=0, 81*(х³+2/3)²*9х²+1=0,(х³+2/3)²х²=1/729,(х³+2/3)х=±1/27,[х⁴+2/3х-1/27=0,х⁴+2 /3х+1/27=0;[х=1/44,(х+1/132)³+1/2904 (х+1/132)+383'333/21296/27=0,х+1/132=(-383'333/21296/54+√(383'333²/2129 6²/54²+(1/2904)³/27))^(1/3)+(-383'333/21296/54-√(383'333²/26737² +1/2/121³)/432)^(1/3),х=-1/132+(-383'333/21296/54+√(383'333²/26737² +1/2/121³)/432)^(1/3)+(-383'333/21296/54-√(383'333²/26737² +1/2/121³)/432)^(1/3),-4/9(2/9)^(1/3) +1/27<0,х=-1/12,(х-1/36)³+1/216(Х-1/3 6)+7771/9/36²=0,х-1/36=(-7771/18/36²+√(7771²/18²/36⁴+(1/216)³/27))^(1/3)+(-7771/4-√60388443/4)^(1/3)/18, х=1/36+(-7771/4-√60388443/4)^(1/3)/18+(-7771/4+√60388443/4)^(1/3)/18
--1/32+...+*1/36+..--1/12+*1/44->х минимум=-81((-1/132+(-383'333/21296/54+√(383'333²/26737² +1/2/121³)/432)^(1/3)+(-383'333/21296/54-√(383'333²/26737² +1/2/121³)/432)^(1/3))³+2/3)³-1/132+(-383'333/21296/54+√(383'333²/26737² +1/2/121³)/432)^(1/3)+(-383'333/21296/54-√(383'333²/26737² +1/2/121³)/432)^(1/3)-2=663,..>0, максимум=-81((1/36+(-7771/4-√60388 443/4)^(1/3)/18+(-7771/4+√60388443/ 4)^(1/3)/18)³+2/3)³+1/36+(-7771/4-√60 388443/4)^(1/3)/18+(-7771/4+√60388 443/4)^(1/3)/18-2=-2,87..<0 минимум =-81(-1/12³+2/3)³-1/12-2=-26,...<0 макс имум=-81(1/44³+2/3)³+1/44-2=-25,97..<0,х=-0,84-2,87/665,87*0,55=-0,842..
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a,b,45-a-b
c,d,c+d-6
21-a-c,b+d-27,9-a-b+c+d
a=19,5
19,5;b;25,5-b
c;d;c+d-6
1,5-c;b+d-27;-10,5-b+c+d
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