Mister Exam
Other calculators
-
How to use it?
- Equation:
-
Equation 9(x-1)=x+15
-
Equation sin(x/3)=1/2
-
Equation x^2=12
-
Equation 3*x=8
- Express {x} in terms of y where:
- 10*x-15*y=16
- 15*x+7*y=2
- 6*x-2*y=20
- -1*x+6*y=-20
- Limit of the function:
- f*x
- Derivative of:
- f*x
-
Identical expressions
- f=f*x
- f equally f multiply by x
- f=fx
-
Similar expressions
- y*x.diff(x)+x=-y*x^2
- f(x+1)^2+3f(x+1)-10=0
- x.diff(x)*y=0
- f*(x)=0
f=f*x equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Divide both parts of the equation by f/x
We get the answer: x = 1
f = f*x
Divide both parts of the equation by f/x
x = f*x / (f/x)
We get the answer: x = 1
The solution of the parametric equation
Given the equation with a parameter:
$$f = f x$$
Коэффициент при x равен
$$- f$$
then possible cases for f :
$$f < 0$$
$$f = 0$$
Consider all cases in more detail:
With
$$f < 0$$
the equation
$$x - 1 = 0$$
its solution
$$x = 1$$
With
$$f = 0$$
the equation
$$0 = 0$$
its solution
any x
$$f = f x$$
Коэффициент при x равен
$$- f$$
then possible cases for f :
$$f < 0$$
$$f = 0$$
Consider all cases in more detail:
With
$$f < 0$$
the equation
$$x - 1 = 0$$
its solution
$$x = 1$$
With
$$f = 0$$
the equation
$$0 = 0$$
its solution
any x
The graph