Mister Exam

Lang:

How to use it?
Least common denominator:
factorial(x)*factorial(x)/factorial(x-2)/factorial(x-1)
cos(a)/2*sin(2)-1-sin(a)/2*cos(2)-1
(x*(x-1)^2)^(1/3)*((x-1)^2/3+x*(-2+2*x)/3)/(x*(x-1)^2)
((x^3+y^3)/(x+y))/(x^2-y^2)+(2*y)/(x+y)-(x*y)/(x^2-y^2)
Factor polynomial:
x^7+x^5+1
a^5+b^5
x^6-x^8
a*m^2+b*m^2-c*n-b*n+c*m^2-a*n
Factor squared:
y^4+y^2+9
-y^4-y^2+8
x^2-x*a+4*a^2
3*x^2+5*x-3
How do you in partial fractions?:
sin^(-1)(sin((9pi)/(8)))
(5*a^2+3*a-2)/(a^2-1)
(u^2-4*u+16)/(16*u^2-1)*(4*u^2+u)/(u^3+64)
y/(b*y-2*b^2)-2/(y^2+y-2*b*y-2*b)*(1+(3*y+y^2)/(3+y))
Identical expressions
factorial(x)*factorial(x)/factorial(x- two)/factorial(x- one)
factorial(x) multiply by factorial(x) divide by factorial(x minus 2) divide by factorial(x minus 1)
factorial(x) multiply by factorial(x) divide by factorial(x minus two) divide by factorial(x minus one)
factorial(x)factorial(x)/factorial(x-2)/factorial(x-1)
factorialxfactorialx/factorialx-2/factorialx-1
factorial(x)*factorial(x) divide by factorial(x-2) divide by factorial(x-1)
Similar expressions
factorial(x)*factorial(x)/factorial(x-2)/factorial(x+1)
factorial(x)*factorial(x)/factorial(x+2)/factorial(x-1)

Least common denominator factorial(x)*factorial(x)/factorial(x-2)/factorial(x-1)

You have entered [src]

/ x!*x!  \
|--------|
\(x - 2)!/
----------
 (x - 1)!

$$\frac{x! x! \frac{1}{\left(x - 2\right)!}}{\left(x - 1\right)!}$$

((factorial(x)*factorial(x))/factorial(x - 2))/factorial(x - 1)

General simplification [src]

 2         
x *(-1 + x)

$$x^{2} \left(x - 1\right)$$

x^2*(-1 + x)

Common denominator [src]

          2        
        x!         
-------------------
(-1 + x)!*(-2 + x)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(-1 + x)*factorial(-2 + x))

Powers [src]

          2        
        x!         
-------------------
(-1 + x)!*(-2 + x)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(-1 + x)*factorial(-2 + x))

Combining rational expressions [src]

          2        
        x!         
-------------------
(-1 + x)!*(-2 + x)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(-1 + x)*factorial(-2 + x))

Combinatorics [src]

 2         
x *(-1 + x)

$$x^{2} \left(x - 1\right)$$

x^2*(-1 + x)

Assemble expression [src]

         2       
       x!        
-----------------
(x - 1)!*(x - 2)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(x - 1)*factorial(x - 2))

Trigonometric part [src]

          2        
        x!         
-------------------
(-1 + x)!*(-2 + x)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(-1 + x)*factorial(-2 + x))

Rational denominator [src]

          2        
        x!         
-------------------
(-1 + x)!*(-2 + x)!

$$\frac{x!^{2}}{\left(x - 2\right)! \left(x - 1\right)!}$$

factorial(x)^2/(factorial(-1 + x)*factorial(-2 + x))

Numerical answer [src]

factorial(x)^2/(factorial(x - 1)*factorial(x - 2))

factorial(x)^2/(factorial(x - 1)*factorial(x - 2))