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Fhf Fhf
Antochi
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Comments by "Fhf Fhf" (@fhffhff) on "Antochi" channel.
X=1/9 x=2/3 2/3-1/9+(9-2/3)*2=17 2/9 155✓
2
2x+√(x²+y²)=13 x≤6,5, y=±√(169-52x+3x²) z=x±√(169-52x+3x²)i x(-∞;13/3]U[13;∞)
1
2r+2√r√3=6,√r=-√3/2+√15/2 r=(9-3√5)/2
1
(1 0|3) (0 1|7/2)✓
1
z=i(π/2+2πm)+ln(π/2+2πn),m,nZ
1
{[z=0,x=0; y=0,x=-1,x=2;[y=0,z=-1-x; [x=0,z=0, x=0,y=-(1+x)/9;{(0;0;z)(x;0;0)(2;-1/3;-3)}
1
(X+5/6)²=1/72±41/72=21/36;-20/36≥0 x=-5/6±√21/6
1
(x+22,5)⁴+9*2018,5(x+22,5)²-45*123²(x+22,5)-18225*18'147/16=0 х=-42,24;29,30
1
2*36²/√(36²+a²)/√(12²+a²)=(432+ a²)/√(36²+a²)/√(12²+a²),12√15=a EC=36²/√(36²+12²*15)=9√6,D)
1
$(0;π/4)ln(√2*sin(x+π/4))/sin(x+π/4)*cos(π/4+x)dx=ln²(√2*sin(x+π/4))/2(0;π/4)=ln²2/8
1
En=0;-∞(2/3)^-n=1/(1-2/3)=3
1
12sin75° 72sin75°cos75°=18D)
1
Ax²/2+bx=a/2+b=1 a/3+b/2=1 {a=-6,b=4;-2✓
1
4/5*(5/4)^2х-1/5*1,25^х-1=0 1,25^х=(1±9)/8=5/4;× х=1
1
(1 0|-1/18√3) (0 1|16/9√3) A+b=31/18√3
1
f(a)=±4a²(a+1) f(2)=±48
1
DF=a-btg(45°-arctg(21/a)),b/cos(45 °-arctg(21/a))-a=7,a>21, b=(7+a)√2/2*(a+21)/√(a²+441) DF=a-(7+a)√2/2*(a-21)/√(a²+441) (a+7)⁴+686(a+7)²-28*539(a+7)+20*49²>0 (z+343/3)³-109*49²/12(z+34 3/3)-7⁶*1175/54=0,1190,95>0 z=-343/3+(2350+√(2350²-109³))¹/³*7²/6+(..-..)..;-343/3-(2350+√(2350²-109³))¹/³*7²/12-(..-..)..±√(3/4((2350+√(2350²-109³))¹/³*7²/6+(..-..)..)²-109*49²/12)i a=-7+√(-343/3+(2350+√(2350²-109³))¹/³*7²/6+(..-..)..)+2√(0,5√(-49²*131/36+343/3((2350+√(2350²-109³))¹/³*7²/6+(..-..)..)+((2350+√(2350²-109³))¹/³*7²/6+(..-..)..)²)-343/6-(2350+√(2350²-109³))¹/³*7²/24-(..-..)..) a>-7+√(-343/3+(2350+√(2350²-109³))¹/³*7²/6+(..-..)..)+2√(0,5√(-49²*131/36+343/3((2350+√(2350²-109³))¹/³*7²/6+(..-..)..)+((2350+√(2350²-109³))¹/³*7²/6+(..-..)..)²)-343/6-(2350+√(2350²-109³))¹/³*7²/24-(..-..)..)😢😤😣🤬
1
(b-√15)²+14√10-15=14√10-5
1