Mister Exam

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How to use it?
Least common denominator:
(z/c+c/z)/(z^2+c^2)/(5*z^9*c)
((z*(a+w))/2)+((w*(a-z))/2)+((a-z)*a)
z-6*z/z+1/z-5/z+1
(z-(5*z)/z+1)/(z-4)/(z+1)
Factor polynomial:
m^3-n^3
x^2+1^2
x^2-x+1
x^2-4*x-5
Factor squared:
-y^4-y^2+2
-y^4+9*y^2-5
y^4-9*y^2-5
-y^4-9*y^2-4
How do you in partial fractions?:
((z^2+1)^2/(4*z^2))/(13+12*((z^2+1)/2*z*z))
y/(y-3)+3/(3-y)
(x^2-25)/(x^2+3*x-40)
y/(y+3)^2-y/(y^2)-9
Identical expressions
y+ eight /y- four + four /y- two -y/y- four
y plus 8 divide by y minus 4 plus 4 divide by y minus 2 minus y divide by y minus 4
y plus eight divide by y minus four plus four divide by y minus two minus y divide by y minus four
y+8 divide by y-4+4 divide by y-2-y divide by y-4
Similar expressions
y-8/y-4+4/y-2-y/y-4
y+8/y+4+4/y-2-y/y-4
y+8/y-4+4/y-2+y/y-4
y+8/y-4+4/y+2-y/y-4
y+8/y-4-4/y-2-y/y-4
y+8/y-4+4/y-2-y/y+4

Least common denominator y+8/y-4+4/y-2-y/y-4

You have entered [src]

    8       4       y    
y + - - 4 + - - 2 - - - 4
    y       y       y

$$\left(\left(\left(\left(\left(y + \frac{8}{y}\right) - 4\right) + \frac{4}{y}\right) - 2\right) - \frac{y}{y}\right) - 4$$

y + 8/y - 4 + 4/y - 2 - y/y - 4

General simplification [src]

          12
-11 + y + --
          y

$$y - 11 + \frac{12}{y}$$

-11 + y + 12/y

Fraction decomposition [src]

-11 + y + 12/y

$$y - 11 + \frac{12}{y}$$

          12
-11 + y + --
          y

Rational denominator [src]

      2       
12 + y  - 11*y
--------------
      y

$$\frac{y^{2} - 11 y + 12}{y}$$

(12 + y^2 - 11*y)/y

Assemble expression [src]

          12
-11 + y + --
          y

$$y - 11 + \frac{12}{y}$$

-11 + y + 12/y

Combining rational expressions [src]

      2       
12 + y  - 11*y
--------------
      y

$$\frac{y^{2} - 11 y + 12}{y}$$

(12 + y^2 - 11*y)/y

Common denominator [src]

          12
-11 + y + --
          y

$$y - 11 + \frac{12}{y}$$

-11 + y + 12/y

Combinatorics [src]

      2       
12 + y  - 11*y
--------------
      y

$$\frac{y^{2} - 11 y + 12}{y}$$

(12 + y^2 - 11*y)/y

Trigonometric part [src]

          12
-11 + y + --
          y

$$y - 11 + \frac{12}{y}$$

-11 + y + 12/y

Numerical answer [src]

-11.0 + y + 12.0/y

-11.0 + y + 12.0/y

Powers [src]

          12
-11 + y + --
          y

$$y - 11 + \frac{12}{y}$$

-11 + y + 12/y