Comments by "Fhf Fhf" (@fhffhff) on "ВЫХОД ЕСТЬ!"
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231<(2n+m-1)/2*m<245,{0,5m²+(n-1/2) m-231>0,0,5m²+(n-1/2)m-245<0; {(m-(-n+ 1/2+√((n-1/2)²-4*0,5*231))/1)(m-(-n-√(n² -n+1/4+462)))>0+**+>m,(m-(-n+1/2+√((n-1/2)²-4 *0,5(-245)))/1)(m-(-n-√(n²-n+1/4+490)))<0;+°-°+>m {mє(-∞;-n+1/2-√(n²-n+462,25))U(-n+1/2+√(n²-n+462,25);+∞),mє(-n+1/2-√(n²-n+49 0,25);-n+1/2+√(n²-n+490,25)) mє(-n+1/2-√(n²-n+490,25);-n+1/2-√(n²-n+460,25))U(-n+1/2+√(n²-n+460,25);-n+1/2+√(n²-n+490,25)) 1/2+√460,25=1/2+21,9 2=22,42 1/2+22 6,25/44=22 28,25/44=2 2,6.. поэтому промежуток с ростом n будет уменьшаться и не останется ни одного целого числа.
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{|х-4|+3|у|=2,9у²+х²-8х+4(а+3)=0;{[{х-4+3у=2,х-4≥0,у≥0,{х-4-3у=2,х≥4,у<0,{-х+4+3у=2,х<4,у≥0,{-х+4-3у=2,х<4,у<0;(х-4)²+(3у)²=-4а+4;≥0 {[{у=2-х/3,х≥4,у≥0,{у=-2+1/3х,х≥4,у<0,{у=х/3-2/3,х<4,у≥0,{у=-1/3х+2/3,х<4,у<0;(х-4)²+(3у)²=-4а+ 4;а≤1 x≤6,y≤2/3 (6-4)²+(2/3-0)²=4+4/9=r², r=2√10/3 2√10≤-4a+4,a≤-0,5√10+1,R=2, 2≥-4a+4,a≥0,5, aє[0,5;-0,5√10+1]
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f(x)=10^(x/50)-4*10^(x/100)-3*10 ^(-x/100)+12*10^(-x/50) f'(x)=ln10(10^(x/25)+2*10^(3x/100)+1,5*10^(x/100)-12)*10^(-x/50)/50=0 (10^(x/100)+0,5)⁴-1,5 (10^(x/100)+0,5)²+2,5(10^(x/100) +0,5)-12 15/16=0 (z-0,25)³+51/16(z-0,25)+183/256=0 z=0,25+(-183+√357'921)¹/³/8+(.. ..)..;0,25-(-183+√357'921)¹/³/16-(.. -..)..±√(3/4((-183+√357'921)¹/³/8+(..-..)..)²+51/16)i x=100lg(-0,5-√(0, 25+(-183+√357'921)¹/³/8+(.. -..)..)+2√(0,5√(13/4-0,25((-183+√357'92 1)¹/³/8+(..-..)..)+((-183+√357'921)¹/³/8+(..-..)..)²)+1/8-(-183+√357'921) ¹/³/32-(..-..)..))*+>x min=(-0,5-√(0, 25+(-183+√357'921)¹/³/8+(.. -..)..)+2√(0,5√(13/4-0,25((-183+√357'92 1)¹/³/8+(..-..)..)+((-183+√357'921)¹/³/8+(..-..)..)²)+1/8-(-183+√357'921) ¹/³/32-(..-..)..))²-4*(-0,5-√(0,25+(-183 +√357'921)¹/³/8+(.. -..)..)+2√(0,5√(1 3/4-0,25((-183+√357'92 1)¹/³/8+(.. -..)..)+((-183+√357'921)¹/³/8+(.. -..)..)²)+1/8-(-183+√357'921)¹/³/32- (..-..)..)-3/(-0,5-√(0,25+(-183+√357'9 21)¹/³/8+(.. -..)..)+2√(0,5√(13/4-0,2 5((-183+√357'921)¹/³/8+(..-..)..)+((- 183+√357'921)¹/³/8+(..-..)..)²)+1/8- (-183+√357'921)¹/³/32-(..-..)..)+12/ (-0,5-√(0, 25+(-183+√357'921)¹/³/8 +(.. -..)..)+2√(0,5√(13/4-0,25((-183+ √357'92 1)¹/³/8+(..-..)..)+((-183+√3 57'921)¹/³/8+(..-..)..)²)+1/8-(-183+√ 357'921)¹/³/32-(..-..)..))² 0/
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3х²-4|х²-1|+х-1=0,[{х²-1≥0,-х²+х+3=0;{х²-1<0,7х²+х-5=0;[{(х-1)(х+1)≥0+*+>х, х=(-1±√(1 -4-1*3))/-2;{(х-1)(х+1)<0+ **+>х,х=(-1±√(1-4*7 *-5))/14;[{хє(-∞;-1]U [1;∞),[x=1/2-0,5√13,x=0,5+0,5√13;{хє(& 1;1),[х=-1/14+√141/14,х=-1/14-√141/14;[х=0,5-0,5√13,х=0,5+0,5√13,х=-1/14+√141/14,х=-1/14-√141/14.
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2/log(2)(2x-2)+3/log(2)(4x-4)≤8/(log(3) 27+log(2)(x-1)),{2x-2>0,4x-4>0,x-1>0;{x>1,x>1,x>1;хє(1;+∞) 2/(log(2)(x-1)+1)+ 3/(log(2)(x-1)+2)-8/(3+log(2)(x-1))≤0, (2(log(2)(x-1)+2)(log(2)(x-1)+3)+3(log(2)(x-1)+1)(log(2)(x-1)+3)-8(log(2)(x-1)+1)(log(2)(x-1)+2))/(log(2)(x-1)+1)/(log(2)(x-1)+2)/(log(2)(x-1)+3)≤0,(2log²(2)(x-1)+10log(2)(x-1)+12+3log²(2)(x-1)+12 log(2)(x-1)+9-8log²(2)(x-1)-24log(2)(x-1)-16)/(log(2)(x-1)+1)/(log(2)(x-1)+2)/(log(2)(x-1)+3)≤0,(-3log²(x-1)-2log(2)(x-1) +5)/(log(2)(x-1)+1)/(log(2)(x-1)+2)/(log (2)(x-1)+3)≤0,(log(2)(x-1)-(2+√(4-4*3* 5))/-6)(log(2)(x-1)-(-1/3+√64/6))/(log(2)(x-1)+1)/(log(2)(x-1)+2)/(log(2)(x-1)+3)≥ 0,-°-3+°-2*-1 2/3+°-1-1*+>log(2)(x-1) log(2)(x-1)є(-3;-2)U[-1 2/3;-1)U[1;+∞) [x-1 >1/8,x-1<1/4;x-1≥1/2/4^(1/3),x-1≤1/2;x-1≥2;[x>1 1/8,x<1 1/4,x≥1+2^(-1 2/3),x≤1,5, x≥3;хє(1 1/8;1 1/4)U[1+2^(-1 2/3);1,5]U [3;+∞)
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x->'=(3 -1;-1 3)x->+(4;4)e^2t x->(0)=(1 1) x->0'=(3 -1;-1 3)x-> (A-лI)x->0=0,|3-л -1;-1 3-л|=0,(3-л)²-(-1)²=0,[3-л=1,3-л=-1;[л=2,л= 4;(1 -1;-1 1)*(a b)=0,{a-b=0,-a+b=0;{a=b,a= b;(1;1)(-1 -1;-1 -1)(a b)=0,{-a-b=0,...;a=-b (1;-1) х->0=С1(1;1)е^2t+C2(1;-1)e^4t x-> p=(A;B)e^2t,2(A;B)e^2t=(3 -1;-1 3)(A B)e ^2t+(4;4)e^2t,(2A;2B)=(3A-B+4;-A+3B+4) {2A=3A-B+4,2B=-A+3B+4;{-A-B=4,A-B=4;{A=0,B=-4; xp->=(0;-4)e^2t x->=С1(1;1)е^ 2t+C2(1;-1)e^4t+(0;-4)e^2t (1 1)=C1(1;1) +C2(1;-1)+(0;-4)=(C1+C2;C1-C2-4){C1+ C2=1,C1-C2-4=1;{C1+C2=0,C1-C2=5;{C1=2,5,C2=-2,5; x->=(2,5;-1,5)e^2t+(-2,5; 2,5)e^4t
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4x=|3x-|x+a||+9|x-3|≥0,x≥0[{x≥a/2,x≥-a,x≥ 3;a/7+27/7=x;{x≥a/2, x≥-a,x<3,x=-a/11+ 27/11;{x≥-a/4,x<-a,x≥3, a/7-27/7=x;{x≥-a/4,x<-a,x<3,x=a/9+3;{x<a/2,x≥-a,x≥3,-a/3+9 =x;{a>54/13,a<18,x=a/15+9/5;{a<-108/5, a≥-24,a+27=x;{a<-8 4/13,a>-24,x=-a/17+2 7/17;
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(373,15К;101325Па)(647,3К;22,1МПа)(273,16К;610Па) P=aT²+bT+c {a*373,15²+ 373,15b+c=101325,373,15b+1,576c=(101325-22,1*576²)/0,424, -0,79c=(101325-22, 1*576²)/0,424+(101325-610*1,3660²)/0,3 66;
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