Comments by "Fhf Fhf" (@fhffhff) on "Бондаренко LIVE" channel.

  1. {z=1-x-y,(3-y)x²+x(-y²+4y-3)+3y²-3y-12=0;x=(y²-4y+3±√((y-3)(y+3)(y+2-√21)(y+2+ √21)))/-2/(y-3) y(-≠;-7]U[-3;∞) (y²+2y-15)²+24y-72 0≥(y-5)²-3,5 y[4;6] y=4,7*15× y=5,2*8*28× y=6,3*9*43×0/
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  2. k=0,n=1;2;3;4;.. k=1,n⁵+n⁴+1 n=1;.. ..
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  3. UT->(-6;7),UR->(2;9),TS->(2;9),RS->(-6;7) 36+49=85,4+81=85✓
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  4. Дорогой автор! В вашей команде только 2 человека?
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  5. 12,5sin(2x-2arccos(3/5))[-12,5;12,5]{12,5}
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  6. $(0;r)dR$(-√(r²-R²);√(r²-R²))h/r*Rdy= 2hr²/3✓
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  7. 2(log2(x)-1/2)²+1/2≥1/2 [x(0;1),x=2,x=1.x(0;1]U{2}
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  8. x1=x2/(x2-1) 1/x1+1/x2=1
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  9. $(0;1)lnxdx/√x=lnx*2x⁰,⁵-4x⁰,⁵(0;1)= -4
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  10. $(0;1)de^x(1/e^x-1/(e^x+1))=lne^x- ln(e^x+1)(0;1)=1-ln(e+1)+ln2
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  11. |(0;∞)2ln(a/b)x+En=1;∞(-1)^(n-1)/nx^(2n+1)/(2n+1)(1/a^2n-1/b^2n))= ∞,a>b;0,a=b;-∞,a<b
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  12. {x=-+3/5,y=±8/5;{(-3/5;8/5)(3/5;-8/5)}
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  13. an=(n+1)*2^(n-2)≥2024 n≥10(11*2⁸≥2024)
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  14. {x=0,09,y=0,44;16x+10y=5,84$
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  15. °-6-°-5+*3-3,5°°5-*5,5+>x x(-6;-5)U[3;3,5)U(5;5,5]
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  16. S=200-50(π/2-1)=250-25π(cm²)
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  17. ​{a=55-b-¹,c=1/(55b-1),b=1/7;{b=1/7,c=7/48,a=48.c+a-¹=7/48+1/48=1/6
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  18. f(x)=x³-2x²+2x-|2x²-2x|[{x(-∞;0]U[1; ∞),f(x)=x³-4x²+4x;{x(0;1),f(x)=x³;
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  19. (y1-8)²+(y2-6)²=9 y1[5;11],x1[-2;2] z=(x1+y1)/2+0,5(±√(4-x1²)±(6+√(9- (y1-8)²)))i
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  20. x,y,w>0,x,y≠1,z>0,z≠1/(xy) logw(x)=1/24,logw(y)=1/40,logw(xyz)=1/12 logw(z)=1/60 logz(w)=60
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  21. {XO²+ON²/4=361,XO²/4+ON²=484; XO²+ON²=169*4 XY=26
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  22. √-lnx=u x=e^-u² dx=e^-u²*-2udu $(0;1)√-lnxdx=$(0;∞)e^-u2*2u²du=-ue^-u²+√πФ(√2*u)(0;∞)=0,5√π
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  23. 37/x=11/x(3-121/x²)/(1-363/x²) x=55
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  24. 11-a,-2+a A a,13-a 22-2a-2+a=20-a=13 a=7 13-a-(-2+a)=15-2a=1{1}
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  25. Мечты сбываются,то не у вас и не у всех.😂😂😂
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  26. $(0,25cos3√x+0,75cos(√x))dx⁰,⁵=0,25sin(3√x)+0,75sin(√x)+c
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  27. (√a+√b)²/4≤(a+b)/2,≥√(ab)✓
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  28. b=±√(50-a²) a+√(50-a²) 1+(50-a²)-⁰,⁵*-a=0 a=5+*->a max=5+5=10
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  29. -2b-2a+2w=/,180°-b-6a+w=4a,-b+4a=180°-w-4a {w=b+20°,20°=a.C)
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  30. 1-(x+a+1)²=y,y≤1 2^|x-a|=z≥1[y=z, {y=0,z=1;[{x=-0,5,a=-0,5;{[a=0,a=-1; x=a;{(-0,5;-0,5)(0;0)(-1;-1)}
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  31. a=50°-+arccos(1/3)+2πn -cos(2arccos(1/3))=7/9 D)
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  32. Sin(x+arccos(8/17))=1 x=-arccos(8/17)+π/2+2πn cygx=15/8 B)
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  33. a,a+1,a+2 a(a+1)(a+2)=8(3a+3) [a=-1×,a=4,a=-6×;4²+5²+6²=77
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  34. X²=2(y+2) R=40y/√(80²-(116-y²)²) arccos((y-4)/2/√(2(y+2))=arctg(40 y/√(80²-(116-y²)²)/√(2(y+2)))+arctg (|116-y²|y/√(80²-(116-y²)²)/(y+4)) √(-y+16)=(y-4)√y(40(y+4)+√(2(y+ 2))|116-y²|)/(√((80²-(116-y²)²)*2(y+ 2))(y+4)-40y²*|116-y²|)*√(80²-(116- y²)²),y[6;14] (-y+16)(√((80²-(116-y²)²)*2(y+2))(y+ 4)-40y²*|116-y²|)²=(y-4)²y(40(y+4)+ √(2(y+2))|116-y²|)²*(80²-(116-y²)²) y=6,89;13,91 x=7,83;14,88 x+y=15,72;28,79
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  35. 3*9=(√2-1)r*√2r r=3√(3(2+√2)/2) S=0,5r²*π/4=π*27(2+√2)/16
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  36. 3,6,9,11,12,14{6}
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  37. х*256^х=1 х=1/4(1/4*4=1✓){1/4}
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  38. x(0;2),x[-2/√3;2/√3]x(0;2/√3]
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  39. (1,25)²/³/(3/2)⁴/⁵=(3125/11664)²/¹⁵
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  40. lnp*cosф+фsinф+(фcosф-lnpsinф)i =pi{p=е^(-фtgф),ф/cosф=е^(-фtgф); ф=0,57;1,91;.. р=0,69;224;.. z=0,69(cos0,57+isin0,57);224(cos1,91+isin1,91);..
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  41. S=50/a²+10-50/a²=10
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  42. 2^(6√3*√3/12)=2^1,5
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  43. Дорогой Бондаренко! А правда ли, что капитализм умрёт в 2100- 2160гг.?
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  44. a²+b²-0,5ab=c² cosC=0,25 sinC=√15/4 B)
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  45. 0=(x-7-2)((x-7)²+2(x-7)+3) x=9
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  46. x=(-AB+AC)/2 y=√((AB+AC)²AB²A C²/(-AB²-AC²+10/3ABAC)/(AB²+ AC²-2ABAC)*4/9-1/2ACAB) √(284/81(ABAC)²+(AB²+AC²-20/9 ABAC)²)√(ACAB)/√(-(AB-3AC)(AB- 1/3AC))/(-AB+AC)²√2=tg(/_A/2-90°+/_B)=-(AB-AC)/√(-(AB-3AC)(AB-A C/3)) При некоторых условиях да.
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  47. k(-1;0)U(0;∞),ln((2-3k)/(1+k))/ln(1+k)<0 1/4=k°-1-°0+°1/4-°2/3>k k(-1;0)U(1/4;2/3)
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  48. w²+w+1=0 w⁸+w⁴+1=-w³+1=0
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  49. √6-√3+√6+√3=2√6
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  50. x=(3-y)/(1+y) 3(1-y)/(3+y²)+(y²-3y)/(1+y)=max=-8 7467/17700;-1,19 min=-7,98;22,57 (-∞;-8 7467/1770 0]U[22,57;∞) (-48,25-23,5y-40,25y²+(y³+y²+2,5y+ 3,5)²)/(3+y²)²/(1+y)²=0 y=1,55;-2,77;-2,64;1,76 +-2,77*-2,64-+1,55-1,76*+>y
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