What Happens When You Solve This Math Problem?

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infyGyan

infyGyan

Күн бұрын

Пікірлер: 9
@Quest3669
@Quest3669 20 күн бұрын
X=(√29-1)/ 2
@anestismoutafidis4575
@anestismoutafidis4575 19 күн бұрын
x^3+11=(464)^1/2 x^3=(464)^1/2-11 x^3=(400•1,16)^1/2 -11 x^3=20•(1,16)^1/2 -11 x^3=20•1,077 -11 x^3=21,54 -11 x^3=10,54 x=(10,54)^1/3 x=2,192
@RashmiRay-c1y
@RashmiRay-c1y 20 күн бұрын
We have x^3+11 = 4√29. Let x = a√29 + b > 29a^3+3ab^2=4, 87a^3b + b^3=-11 > a=1/2, b= -1/2 > x=1/2(√2-1).
@sarantis40kalaitzis48
@sarantis40kalaitzis48 19 күн бұрын
Excellent, but you must write instead of sqrt2 correct sqrt29.
@davidseed2939
@davidseed2939 18 күн бұрын
so a(29aa+3bb)=4 b(87aa+bb)=-11 but how do you arrive at aa=bb 32aaa=4, 8aaa=1, a=1/2 88bbb=-11, bbb=-1/8, b=-1/2
@RashmiRay-c1y
@RashmiRay-c1y 18 күн бұрын
@@davidseed2939 Through inspired guesswork and tedious trial and error. I am sure there is a more systematic way, but I just don't know it.
@RealQinnMalloryu4
@RealQinnMalloryu4 20 күн бұрын
{x^3+x^3 ➖ }+{121+121 ➖ }={x^6+242}=242x^6 1^4^1x^6 4x^2^3 2^2x^1^3 1^2x1^3 2x^3 (x ➖ 3x+2).
@Fjfurufjdfjd
@Fjfurufjdfjd 20 күн бұрын
Εστω χ=[-11+4(29)^(1/2)](1/3)>0 και ψ=[-11-4(29)^(1/2)]^(1/3)
@rabotaakk-nw9nm
@rabotaakk-nw9nm 14 күн бұрын
1:05 x³=4vʼ29-11= =(32vʼ29-88)/8= =(29vʼ29+3vʼ29-87-1)/8= =(vʼ(29³)-3•29+3vʼ29-1)/8= =((vʼ29)³-3(vʼ29)²•1+3vʼ29•1²-1³)/8= =(vʼ29-1)³/2³=((vʼ29-1)/2)³ => => x=(vʼ29-1)/2 😁
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