Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 1/x^2-1/x-6=0
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Equation x^2-8=0
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Equation x^2=-3
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Equation x^4-2*x^3+x^2-1=0
- Express {x} in terms of y where:
- -9*x-12*y=-19
- 6*x+7*y=-10
- 4*x-11*y=-2
- -5*x-2*y=-14
- Canonical form:
- x+y
- x+y
- Limit of the function:
- x+y
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Identical expressions
- x+y= zero
- x plus y equally 0
- x plus y equally zero
- x+y=O
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Similar expressions
- x-y=0
x+y=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
The graph
Rapid solution
[src]
x1 = -re(y) - I*im(y)
$$x_{1} = - \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)}$$
x1 = -re(y) - i*im(y)
Sum and product of roots
[src]
sum
-re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)}$$
=
-re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)}$$
product
-re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)}$$
=
-re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)}$$
-re(y) - i*im(y)