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- La ecuación:
-
Ecuación (x-3)*(x+2)=0
-
Ecuación (11x+14)-(5x-8)=25
-
Ecuación z^2-6*z+10=0
-
Ecuación 4/(x-4)=-5
- Expresar {x} en función de y en la ecuación:
- -7*x-13*y=5
- 15*x+1*y=19
- 7*x-1*y=-7
- -11*x-14*y=-3
-
Expresiones idénticas
- (- dos cos^2x+sinx+ uno)(log(uno /2)(-(cuatro / cinco)cosx))= cero
- ( menos 2 coseno de al cuadrado x más seno de x más 1)( logaritmo de (1 dividir por 2)( menos (4 dividir por 5) coseno de x)) es igual a 0
- ( menos dos coseno de al cuadrado x más seno de x más uno)( logaritmo de (uno dividir por 2)( menos (cuatro dividir por cinco) coseno de x)) es igual a cero
- (-2cos2x+sinx+1)(log(1/2)(-(4/5)cosx))=0
- -2cos2x+sinx+1log1/2-4/5cosx=0
- (-2cos²x+sinx+1)(log(1/2)(-(4/5)cosx))=0
- (-2cos en el grado 2x+sinx+1)(log(1/2)(-(4/5)cosx))=0
- -2cos^2x+sinx+1log1/2-4/5cosx=0
- (-2cos^2x+sinx+1)(log(1/2)(-(4/5)cosx))=O
- (-2cos^2x+sinx+1)(log(1 dividir por 2)(-(4 dividir por 5)cosx))=0
-
Expresiones semejantes
- (-2cos^2x+sinx+1)(log(1/2)((4/5)cosx))=0
- (2cos^2x+sinx+1)(log(1/2)(-(4/5)cosx))=0
- (-2cos^2x+sinx-1)(log(1/2)(-(4/5)cosx))=0
- (-2cos^2x-sinx+1)(log(1/2)(-(4/5)cosx))=0
-
Expresiones con funciones
- sinx
- sinx
- sinx=1/3
- sinx+cosx/sinx=2cotx
- sinx=(3-i)/4
- sinx/4=-sqrt2/2
- Logaritmo log
- log2sin2pi/15
- log(2*y+1)/2=c-log(cos(x))
- log(5*x)=2
- log(y-1)/2-log(y+1)/2=Const-x
- log(2)^2*(x)+3*(Abs((log(x)/log(2))))+2=0
- cosx
- cosx=c+2
- cosx/2=sinи
- cosx^2-(2*1/2)*cosx=0
- cosx+sinx=-0,5
- cosx-sin((pi/2)-x)+cos(pi+x)=0
(-2cos^2x+sinx+1)(log(1/2)(-(4/5)cosx))=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
/ 2 \ -4*cos(x)
\- 2*cos (x) + sin(x) + 1/*log(1/2)*--------- = 0
5
$$\log{\left(\frac{1}{2} \right)} \left(- \frac{4 \cos{\left(x \right)}}{5}\right) \left(\left(\sin{\left(x \right)} - 2 \cos^{2}{\left(x \right)}\right) + 1\right) = 0$$
Respuesta rápida
[src]
-pi
x1 = ----
2
$$x_{1} = - \frac{\pi}{2}$$
pi
x2 = --
6
$$x_{2} = \frac{\pi}{6}$$
pi
x3 = --
2
$$x_{3} = \frac{\pi}{2}$$
5*pi
x4 = ----
6
$$x_{4} = \frac{5 \pi}{6}$$
x4 = 5*pi/6
Suma y producto de raíces
[src]
suma
pi pi pi 5*pi - -- + -- + -- + ---- 2 6 2 6
$$\left(\left(- \frac{\pi}{2} + \frac{\pi}{6}\right) + \frac{\pi}{2}\right) + \frac{5 \pi}{6}$$
=
pi
$$\pi$$
producto
-pi pi pi 5*pi ----*--*--*---- 2 6 2 6
$$\frac{5 \pi}{6} \frac{\pi}{2} \cdot - \frac{\pi}{2} \frac{\pi}{6}$$
=
4 -5*pi ------ 144
$$- \frac{5 \pi^{4}}{144}$$
-5*pi^4/144
Respuesta numérica
[src]
x1 = -12.0427718387609
x2 = -23.5619449019235
x3 = 44.5058959258554
x4 = -29.845130209103
x5 = 80.110603539808
x6 = -20.4204332242959
x7 = 34.0339204138894
x8 = 42.4114618328991
x9 = -20.4202571548774
x10 = -5.75958653158129
x11 = 98.9601954454498
x12 = -95.8185603115981
x13 = -80.1106126665397
x14 = 23.5620425243349
x15 = 64.4026493985908
x16 = -39.2700043126756
x17 = -32.9866445502565
x18 = 71.733032256967
x19 = -60.2138591938044
x20 = -83.252303863058
x21 = 61.2611347024888
x22 = 31.9395253114962
x23 = 78.0162175641465
x24 = 84.2994028713261
x25 = -30.8923277602996
x26 = 92.6768948837249
x27 = -93.7241808320955
x28 = 61.2609971733807
x29 = -3.66519142918809
x30 = -58.1194277246243
x31 = -89.5354408543713
x32 = 67.5443421038
x33 = -76.9689316312583
x34 = -56.025068989018
x35 = -62.3082542961976
x36 = 58.1194640914112
x37 = -45.5531400359992
x38 = -87.4409955249159
x39 = -73.8274273593601
x40 = 51.8362787842316
x41 = 27.7507351067098
x42 = 75.9218224617533
x43 = 54.9779200204342
x44 = -49.7418836818384
x45 = -24.60914245312
x46 = -36.1283155162826
x47 = -100.007366139275
x48 = 86.3937628881802
x49 = -9.94837673636768
x50 = -97.9129710368819
x51 = -1.57083914093654
x52 = 38.2227106186758
x53 = 36.1283177867717
x54 = -14.1371261031936
x55 = -70.6858216182123
x56 = 0.523598775598299
x57 = -67.5442420521806
x58 = -43.4586983746588
x59 = 10.9956396420721
x60 = 82.2050077689329
x61 = -51.8362625405323
x62 = 96.8657734856853
x63 = 17.2787185044117
x64 = 7.85398163397448
x65 = -53.9306738866248
x66 = -64.4025569322911
x67 = 29.8451753413416
x68 = 76.9690200129499
x69 = 4.71229533050042
x70 = 23.5619945857985
x71 = -91.6297857297023
x72 = 14.1371669411541
x73 = -16.2315620435473
x74 = -7.85396940466741
x75 = 73.8274766268599
x76 = 40.317105721069
x77 = 20.4203522483337
x78 = 48.6945950635277
x79 = 95.8185759344887
x80 = -47.6474885794452
x81 = 13.0899693899575
x82 = 54.9778066897116
x83 = 88.4881930761125
x84 = -26.7035547554214
x84 = -26.7035547554214