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- La ecuación:
-
Ecuación x^3-x^2-x-1=0
-
Ecuación 3x-2(3x+4)=10
-
Ecuación 12-4(x-3)=39-9x
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Ecuación 0,2x+2,7=1,4-1,1x
- Expresar {x} en función de y en la ecuación:
- 7*x-1*y=0
- -11*x-3*y=14
- 2*x-15*y=-1
- -18*x-6*y=-1
-
Expresiones idénticas
- sqrt(siete *x-x^ dos)*(dos *cos(x)- uno)= cero
- raíz cuadrada de (7 multiplicar por x menos x al cuadrado ) multiplicar por (2 multiplicar por coseno de (x) menos 1) es igual a 0
- raíz cuadrada de (siete multiplicar por x menos x en el grado dos) multiplicar por (dos multiplicar por coseno de (x) menos uno) es igual a cero
- √(7*x-x^2)*(2*cos(x)-1)=0
- sqrt(7*x-x2)*(2*cos(x)-1)=0
- sqrt7*x-x2*2*cosx-1=0
- sqrt(7*x-x²)*(2*cos(x)-1)=0
- sqrt(7*x-x en el grado 2)*(2*cos(x)-1)=0
- sqrt(7x-x^2)(2cos(x)-1)=0
- sqrt(7x-x2)(2cos(x)-1)=0
- sqrt7x-x22cosx-1=0
- sqrt7x-x^22cosx-1=0
- sqrt(7*x-x^2)*(2*cos(x)-1)=O
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Expresiones semejantes
- sqrt(7*x+x^2)*(2*cos(x)-1)=0
- sqrt(7*x-x^2)*(2*cos(x)+1)=0
- sqrt(7*x-x^2)*(2*cosx-1)=0
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Expresiones con funciones
- 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)
sqrt(7*x-x^2)*(2*cos(x)-1)=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
__________ / 2 \/ 7*x - x *(2*cos(x) - 1) = 0
$$\sqrt{- x^{2} + 7 x} \left(2 \cos{\left(x \right)} - 1\right) = 0$$
Suma y producto de raíces
[src]
suma
pi 5*pi
7 + -- + ----
3 3
$$\frac{5 \pi}{3} + \left(\frac{\pi}{3} + 7\right)$$
=
7 + 2*pi
$$2 \pi + 7$$
producto
pi 5*pi
0*7*--*----
3 3
$$\frac{5 \pi}{3} \cdot 0 \cdot 7 \frac{\pi}{3}$$
=
0
$$0$$
0
Respuesta rápida
[src]
x1 = 0
$$x_{1} = 0$$
x2 = 7
$$x_{2} = 7$$
pi
x3 = --
3
$$x_{3} = \frac{\pi}{3}$$
5*pi
x4 = ----
3
$$x_{4} = \frac{5 \pi}{3}$$
x4 = 5*pi/3
Respuesta numérica
[src]
x1 = -70.162235930172
x2 = 32.4631240870945
x3 = 1.0471975511966
x4 = 13.6135681655558
x5 = -86.9173967493176
x6 = 99.4837673636768
x7 = 86.9173967493176
x8 = 82.7286065445312
x9 = -57.5958653158129
x10 = -32.4631240870945
x11 = 5.23598775598299
x12 = -99.4837673636768
x13 = -68.0678408277789
x14 = -95.2949771588904
x15 = 36.6519142918809
x16 = -13.6135681655558
x17 = 68.0678408277789
x18 = 70.162235930172
x19 = 42.9350995990605
x20 = 51.3126800086333
x21 = -5.23598775598299
x22 = -36.6519142918809
x23 = -55.5014702134197
x24 = 17.8023583703422
x25 = -162.315620435473
x26 = -76.4454212373516
x27 = 80.634211442138
x28 = 55.5014702134197
x29 = 30.3687289847013
x30 = 95.2949771588904
x31 = -89.0117918517108
x32 = 49.2182849062401
x33 = 11.5191730631626
x34 = -80.634211442138
x35 = -49.2182849062401
x36 = -7.33038285837618
x37 = 38.7463093942741
x38 = 63.8790506229925
x39 = 19.8967534727354
x40 = 57.5958653158129
x41 = -11.5191730631626
x42 = -45.0294947014537
x43 = 26.1799387799149
x44 = 74.3510261349584
x45 = -93.2005820564972
x46 = 93.2005820564972
x47 = -24.0855436775217
x48 = -61.7846555205993
x49 = 24.0855436775217
x50 = 61.7846555205993
x51 = 45.0294947014537
x52 = -74.3510261349584
x53 = -82.7286065445312
x54 = -26.1799387799149
x55 = -63.8790506229925
x56 = -30.3687289847013
x57 = 89.0117918517108
x58 = 7.33038285837618
x59 = -1.0471975511966
x60 = 158.126830230686
x61 = 76.4454212373516
x62 = -19.8967534727354
x63 = -17.8023583703422
x64 = 0.0
x65 = -38.7463093942741
x66 = -51.3126800086333
x67 = -42.9350995990605
x67 = -42.9350995990605