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Perplex
Perplex
Dashboard
Topics
Exponents & LogarithmsRounding & ErrorSequences & SeriesCounting & BinomialsProof and ReasoningComplex NumbersAlgebra Skills
Cartesian plane & linesQuadraticsFunction TheoryTransformations & asymptotesPolynomials
2D & 3D GeometryTrig equations & identitiesVectors
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random Variables
DifferentiationIntegrationDifferential EquationsMaclaurin
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
/
Complex Numbers
/
Solving complex equations
Complex Modulus
Solving complex equations
Complex Numbers

Solving complex equations

0 of 0 exercises completed

Equating real and imaginary parts to solve complex equations

Want a deeper conceptual understanding? Try our interactive lesson!

Solving complex equations
AHL 1.12

We can solve complex equations involving ​z​ and ​z∗​ by using the fact that a complex number ​z​ takes the form ​a+bi. Recall that for complex numbers ​z1​​ and ​z2​, 

​
z1​=z2​⟺{Re(z1​)=Re(z2​)Im(z1​)=Im(z2​)​
​


We use this fact to equate the real and imaginary parts of both sides, which creates a solvable a system of two equations in two unknowns from one given equation.

Nice work completing Solving complex equations, here's a quick recap of what we covered:

Skills covered

Mixed Practice

Exercises checked off

I'm Plex, here to help you understand this concept!
/
Complex Numbers
/
Solving complex equations
Complex Modulus
Solving complex equations
Complex Numbers

Solving complex equations

0 of 0 exercises completed

Equating real and imaginary parts to solve complex equations

Want a deeper conceptual understanding? Try our interactive lesson!

Solving complex equations
AHL 1.12

We can solve complex equations involving ​z​ and ​z∗​ by using the fact that a complex number ​z​ takes the form ​a+bi. Recall that for complex numbers ​z1​​ and ​z2​, 

​
z1​=z2​⟺{Re(z1​)=Re(z2​)Im(z1​)=Im(z2​)​
​


We use this fact to equate the real and imaginary parts of both sides, which creates a solvable a system of two equations in two unknowns from one given equation.

Nice work completing Solving complex equations, here's a quick recap of what we covered:

Skills covered

Mixed Practice

Exercises checked off

I'm Plex, here to help you understand this concept!

Generating starter questions...

1 free

Generating starter questions...

1 free