Home/Algebra/Complex numbers/Rectangular form13. Complex numbersRectangular formLevel: fundamentalIn 13. Complex numbersFormulaCopy LaTeXi2=−1;z=a+bii^2=-1;\quad z=a+bii2=−1;z=a+biTagsalgebracomplexalgebra formulanumbers complexDetailCartesian representation of a complex number.Explore the ideaFound an error? Contact us.Related formulasRelatedConjugatezˉ=a−bi;zzˉ=∣z∣2\bar z=a-bi;\quad z\bar z=|z|^2zˉ=a−bi;zzˉ=∣z∣2Open formulaOpen in sectionRelatedModulus∣z∣=a2+b2|z|=\sqrt{a^2+b^2}∣z∣=a2+b2Open formulaOpen in section