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- La ecuación:
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Ecuación x^3-x^2-x-1=0
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Ecuación 12-4(x-3)=39-9x
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Ecuación 0,2x+2,7=1,4-1,1x
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Ecuación x^2=2x+8
- Expresar {x} en función de y en la ecuación:
- -11*x-14*y=-3
- -9*x-1*y=6
- -2*x+2*y=4
- -11*x-3*y=14
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Expresiones idénticas
- ocho *sin^ dos (((siete *pi)/ doce)+x)- dos *sqrt(tres)*cos(2x)= cinco
- 8 multiplicar por seno de al cuadrado (((7 multiplicar por número pi ) dividir por 12) más x) menos 2 multiplicar por raíz cuadrada de (3) multiplicar por coseno de (2x) es igual a 5
- ocho multiplicar por seno de en el grado dos (((siete multiplicar por número pi ) dividir por doce) más x) menos dos multiplicar por raíz cuadrada de (tres) multiplicar por coseno de (2x) es igual a cinco
- 8*sin^2(((7*pi)/12)+x)-2*√(3)*cos(2x)=5
- 8*sin2(((7*pi)/12)+x)-2*sqrt(3)*cos(2x)=5
- 8*sin27*pi/12+x-2*sqrt3*cos2x=5
- 8*sin²(((7*pi)/12)+x)-2*sqrt(3)*cos(2x)=5
- 8*sin en el grado 2(((7*pi)/12)+x)-2*sqrt(3)*cos(2x)=5
- 8sin^2(((7pi)/12)+x)-2sqrt(3)cos(2x)=5
- 8sin2(((7pi)/12)+x)-2sqrt(3)cos(2x)=5
- 8sin27pi/12+x-2sqrt3cos2x=5
- 8sin^27pi/12+x-2sqrt3cos2x=5
- 8*sin^2(((7*pi) dividir por 12)+x)-2*sqrt(3)*cos(2x)=5
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Expresiones semejantes
- 8*sin^2(((7*pi)/12)-x)-2*sqrt(3)*cos(2x)=5
- 8*sin^2(((7*pi)/12)+x)+2*sqrt(3)*cos(2x)=5
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Expresiones con funciones
- Seno sin
- sin(x)=1/3
- sin(6*x)=9/8
- sin(2x)=-1/2
- sin(3*x)-cos(3*x)=0
- sin(x)^(2)-sin(x)=0
- Raíz cuadrada sqrt
- sqrt(12+x)-sqrt(1-x)=1
- sqrt(x-1)+3=x
- sqrt(x^2-4)=4-2x
- sqrt(x^2-x-3)=3
- sqrt-x=x+6
- Coseno cos
- cos(x)=-3
- cos(0.5-y)-0.5y+2=0
- cos(7*x)+cos(x)=0
- cos(2*x-pi/4)=0
- cos(x)=-(2/5)
8*sin^2(((7*pi)/12)+x)-2*sqrt(3)*cos(2x)=5 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
2/7*pi \ ___
8*sin |---- + x| - 2*\/ 3 *cos(2*x) = 5
\ 12 /
$$8 \sin^{2}{\left(x + \frac{7 \pi}{12} \right)} - 2 \sqrt{3} \cos{\left(2 x \right)} = 5$$
Suma y producto de raíces
[src]
suma
5*pi pi 7*pi 11*pi - ---- - -- + ---- + ----- 12 12 12 12
$$\left(\left(- \frac{5 \pi}{12} - \frac{\pi}{12}\right) + \frac{7 \pi}{12}\right) + \frac{11 \pi}{12}$$
=
pi
$$\pi$$
producto
-5*pi -pi 7*pi 11*pi -----*----*----*----- 12 12 12 12
$$\frac{11 \pi}{12} \frac{7 \pi}{12} \cdot - \frac{5 \pi}{12} \left(- \frac{\pi}{12}\right)$$
=
4 385*pi ------- 20736
$$\frac{385 \pi^{4}}{20736}$$
385*pi^4/20736
Respuesta rápida
[src]
-5*pi
x1 = -----
12
$$x_{1} = - \frac{5 \pi}{12}$$
-pi
x2 = ----
12
$$x_{2} = - \frac{\pi}{12}$$
7*pi
x3 = ----
12
$$x_{3} = \frac{7 \pi}{12}$$
11*pi
x4 = -----
12
$$x_{4} = \frac{11 \pi}{12}$$
x4 = 11*pi/12
Respuesta numérica
[src]
x1 = -23.3001455141243
x2 = 78.2780169519457
x3 = 90.8443875663049
x4 = 56.2868683768171
x5 = -73.565627971561
x6 = 28.012534494509
x7 = -42.1497014356631
x8 = -66.2352451131848
x9 = 18.5877565337396
x10 = -35.8665161284835
x11 = -88.2263936883134
x12 = 58.3812634792103
x13 = -20.1585528605345
x14 = 59.4284610304069
x15 = -7.59218224617533
x16 = -44.2440965380563
x17 = -51.5744793964324
x18 = -1583.62449679705
x19 = 23.8237442897226
x20 = 42.6733002112614
x21 = -0.261799387799149
x22 = -13.8753675533549
x23 = 30.1069295969022
x24 = -50.5272818452358
x25 = 6.02138591938044
x26 = -17.0169602069447
x27 = -9.68657734856853
x28 = -31.6777259236971
x29 = 100.269165527074
x30 = -45.2912940892529
x31 = 12.30457122656
x32 = -81.9432083811338
x33 = 43.720497762458
x34 = 84.5612022591253
x35 = -95.5567765466895
x36 = 64.6644487863899
x37 = 96.0803753222878
x38 = 40.5789051088682
x39 = 8.11578102177363
x40 = 67.8060414399797
x41 = -79.8488132787406
x42 = -97.6511716490827
x43 = -59.9520598060052
x44 = -1.30899693899575
x45 = 62.5700536839967
x46 = 52.0980781720307
x47 = -91.3679863419031
x48 = 21.7293491873294
x49 = -28.5361332701073
x50 = -37.9609112308767
x51 = -86.1319985859202
x52 = -94.5095789954929
x53 = 34.2957198016886
x54 = 89.7971900151083
x55 = 81.4196096055355
x56 = 15.4461638801498
x57 = 37.4373124552784
x58 = 71.9948316447661
x59 = 14.3989663289532
x60 = 93.9859802198946
x61 = 36.3901149040818
x62 = 50.0036830696375
x63 = -57.857664703612
x64 = -89.27359123951
x65 = 20.6821516361328
x66 = -64.1408500107916
x67 = 87.7027949127151
x68 = -75.6600230739542
x69 = -53.6688744988256
x70 = 45.8148928648512
x71 = 74.0892267471593
x72 = 127.496301858186
x73 = -6.54498469497874
x74 = 80.3724120543389
x75 = 86.6555973615185
x76 = 1.83259571459405
x77 = -72.5184304203644
x78 = -15.9697626557481
x79 = 65.7116463375865
x80 = -29.5833308213039
x81 = -22.2529479629277
x82 = -67.2824426643814
x82 = -67.2824426643814