Mister Exam
Other calculators
-
How to use it?
- Equation:
-
Equation -20*(x-13)=-220
-
Equation x-x/12=55/12
-
Equation 3^x=81
-
Equation 12-x^2=11
- Express {x} in terms of y where:
- 18*x+19*y=7
- 16*x-15*y=4
- 1*x+6*y=6
- 20*x+9*y=17
- Derivative of:
- 14
- Integral of d{x}:
-
14
- Sum of series:
-
14
-
Identical expressions
- x^ four -(fifty /(z))= fourteen
- x to the power of 4 minus (50 divide by (z)) equally 14
- x to the power of four minus (fifty divide by (z)) equally fourteen
- x4-(50/(z))=14
- x4-50/z=14
- x⁴-(50/(z))=14
- x^4-50/z=14
- x^4-(50 divide by (z))=14
-
Similar expressions
- x^2*(2-2*x)/(x-1)^4+2*x/(x-1)^2=0
- x^4+(50/(z))=14
- (2x-1)^4+(2x-1)^2-2=0
x^4-(50/(z))=14 equation
The teacher will be very surprised to see your correct solution 😉
The solution
The graph
Rapid solution
[src]
_________
/ 50
x_1 = -I*4 / 14 + --
\/ z
$$x_{1} = - i \sqrt[4]{14 + \frac{50}{z}}$$
_________
/ 50
x_2 = I*4 / 14 + --
\/ z
$$x_{2} = i \sqrt[4]{14 + \frac{50}{z}}$$
_________
/ 50
x_3 = -4 / 14 + --
\/ z
$$x_{3} = - \sqrt[4]{14 + \frac{50}{z}}$$
_________
/ 50
x_4 = 4 / 14 + --
\/ z
$$x_{4} = \sqrt[4]{14 + \frac{50}{z}}$$
Sum and product of roots
[src]
sum
_________ _________ _________ _________
/ 50 / 50 / 50 / 50
-I*4 / 14 + -- + I*4 / 14 + -- + -4 / 14 + -- + 4 / 14 + --
\/ z \/ z \/ z \/ z
$$\left(- i \sqrt[4]{14 + \frac{50}{z}}\right) + \left(i \sqrt[4]{14 + \frac{50}{z}}\right) + \left(- \sqrt[4]{14 + \frac{50}{z}}\right) + \left(\sqrt[4]{14 + \frac{50}{z}}\right)$$
=
0
$$0$$
product
_________ _________ _________ _________
/ 50 / 50 / 50 / 50
-I*4 / 14 + -- * I*4 / 14 + -- * -4 / 14 + -- * 4 / 14 + --
\/ z \/ z \/ z \/ z
$$\left(- i \sqrt[4]{14 + \frac{50}{z}}\right) * \left(i \sqrt[4]{14 + \frac{50}{z}}\right) * \left(- \sqrt[4]{14 + \frac{50}{z}}\right) * \left(\sqrt[4]{14 + \frac{50}{z}}\right)$$
=
50
-14 - --
z
$$-14 - \frac{50}{z}$$