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References to 'quadratic equation in $\mathbb{C}$'
1. algebraic sum and product by pahio
2. algorithm by jk81
3. biquadratic equation by pahio
4. Cardano's derivation of the cubic formula by djao
5. conjugate diameters of ellipse by pahio
6. continued fraction by PrimeFan
7. determining the continuations of exponent by pahio
8. exact trigonometry tables by stevecheng
9. Ferrari-Cardano derivation of the quartic formula by djao
10. Frobenius method by pahio
11. generating function for the Catalan numbers by rm50
12. periodic continued fractions represent quadratic irrationals by rm50
13. phase parametrization in $\cos(x+p)=\cos x$ by perucho
14. properties of parabola by pahio
15. properties of quadratic equation by pahio
16. quadratic algebra by CWoo
17. quadratic curves by pahio
18. quadratic formula by yark
19. symmetric quartic equation by pahio
20. telegraph equation by pahio
21. topic entry on complex analysis by pahio
22. values of complex cosine by pahio
23. zero by Mravinci