Mister Exam
Other calculators
-
How to use it?
- Equation:
-
Equation 0,4(x-3)-1,6=5(0,1x-0,5)
-
Equation x-243=x/2-51
-
Equation x^3-2*x^2+x+3=0
-
Equation 2*sin(x)-3*cos(x)=0
- Express {x} in terms of y where:
- 5*x-15*y=13
- 18*x-15*y=-7
- 14*x-4*y=14
- 13*x+12*y=7
- Integral of d{x}:
-
xsin(x+2)
-
Identical expressions
- xsin(x+ two)
- x sinus of (x plus 2)
- x sinus of (x plus two)
- xsinx+2
-
Similar expressions
- e^x*cos(x)-2*e^x*sin(x)+2*e^x*(-cos(x))=0
- xsin(x-2)
- x*sin(x)+2*(x^2)+(x^7)=0
- sqrt(3)*cos(2*x)-2*cos(x)*sin(x)+2=0
xsin(x+2) equation
The teacher will be very surprised to see your correct solution 😉
The solution
Rapid solution
[src]
x1 = -2
$$x_{1} = -2$$
x2 = 0
$$x_{2} = 0$$
/ -2*I\ x3 = -I*log\-e /
$$x_{3} = - i \log{\left(- e^{- 2 i} \right)}$$
x3 = -i*log(-exp(-2*i))
Sum and product of roots
[src]
sum
/ -2*I\ -2 - I*log\-e /
$$-2 - i \log{\left(- e^{- 2 i} \right)}$$
=
/ -2*I\ -2 - I*log\-e /
$$-2 - i \log{\left(- e^{- 2 i} \right)}$$
product
/ / -2*I\\ -2*0*\-I*log\-e //
$$- 0 \left(- i \log{\left(- e^{- 2 i} \right)}\right)$$
=
0
$$0$$
0
Numerical answer
[src]
x1 = 67.1150383789755
x2 = 57.6902604182061
x3 = 63.9734457253857
x4 = 16.8495559215388
x5 = -99.3893722612836
x6 = -52.2654824574367
x7 = 29.4159265358979
x8 = 82.8230016469244
x9 = 48.2654824574367
x10 = -83.6814089933346
x11 = -36.5575191894877
x12 = -61.6902604182061
x13 = 255.610597594363
x14 = -27.1327412287183
x15 = 38.8407044966673
x16 = -33.4159265358979
x17 = 10.5663706143592
x18 = -8.28318530717959
x19 = 23.1327412287183
x20 = 7.42477796076938
x21 = 4.28318530717959
x22 = -86.8230016469244
x23 = 70.2566310325652
x24 = -23.9911485751286
x25 = -11.4247779607694
x26 = -89.9645943005142
x27 = 45.1238898038469
x28 = -96.2477796076938
x29 = -14.5663706143592
x30 = -93.106186954104
x31 = 19.9911485751286
x32 = 95.3893722612836
x33 = 0.0
x34 = 26.2743338823081
x35 = -71.1150383789755
x36 = -39.6991118430775
x37 = -5.14159265358979
x38 = 60.8318530717959
x39 = 89.106186954104
x40 = 79.6814089933346
x41 = 54.5486677646163
x42 = 13.707963267949
x43 = -58.5486677646163
x44 = 51.4070751110265
x45 = -77.398223686155
x46 = -74.2566310325652
x47 = -2.0
x48 = 98.5309649148734
x49 = -49.1238898038469
x50 = 41.9822971502571
x51 = -80.5398163397448
x52 = 92.2477796076938
x53 = -30.2743338823081
x54 = -64.8318530717959
x55 = 73.398223686155
x56 = -17.707963267949
x57 = 1.14159265358979
x58 = -67.9734457253857
x59 = -42.8407044966673
x60 = -55.4070751110265
x61 = 32.5575191894877
x62 = -45.9822971502571
x63 = 85.9645943005142
x64 = -20.8495559215388
x65 = 35.6991118430775
x66 = 76.5398163397448
x66 = 76.5398163397448