Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x^2+x-4=0
-
Equation (x+6)^3=25*(x+6)
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Equation 2*x^2+6*x+9=
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Equation 4(x-3)=x+6
- Express {x} in terms of y where:
- 11*x-20*y=-10
- -19*x-2*y=-6
- -3*x-20*y=-13
- -6*x-1*y=14
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Identical expressions
- ctg(3x/ two)= five
- ctg(3x divide by 2) equally 5
- ctg(3x divide by two) equally five
- ctg3x/2=5
- ctg(3x divide by 2)=5
ctg(3x/2)=5 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Rapid solution
[src]
2*acot(5)
x1 = ---------
3
$$x_{1} = \frac{2 \operatorname{acot}{\left(5 \right)}}{3}$$
x1 = 2*acot(5)/3
Sum and product of roots
[src]
sum
2*acot(5)
---------
3
$$\frac{2 \operatorname{acot}{\left(5 \right)}}{3}$$
=
2*acot(5)
---------
3
$$\frac{2 \operatorname{acot}{\left(5 \right)}}{3}$$
product
2*acot(5)
---------
3
$$\frac{2 \operatorname{acot}{\left(5 \right)}}{3}$$
=
2*acot(5)
---------
3
$$\frac{2 \operatorname{acot}{\left(5 \right)}}{3}$$
2*acot(5)/3
Numerical answer
[src]
x1 = 86.0017962380209
x2 = 10.6035725518659
x3 = -22.9067490864252
x4 = 42.0194990877638
x5 = 4.32038724468631
x6 = -41.756305007964
x7 = -45.9450952127504
x8 = -1.96279806249328
x9 = 81.8130060332345
x10 = -92.0217874654007
x11 = -48.0394903151436
x12 = 88.0961913404141
x13 = -43.8507001103572
x14 = 2.22599214229312
x15 = 48.3026843949434
x16 = 44.113894190157
x17 = 90.1905864428073
x18 = -89.9273923630075
x19 = -71.0778364414687
x20 = 92.2849815452005
x21 = -85.7386021582211
x22 = -87.8329972606143
x23 = 46.2082892925502
x23 = 46.2082892925502