Function quarticRoots

quarticRoots(a: number, b: number, c: number, d: number, e: number): number[]
Solves a quartic equation ax⁴ + bx³ + cx² + dx + e = 0 and returns real roots.
Parameters
- a: number
  Coefficient of x⁴.
- b: number
  Coefficient of x³.
- c: number
  Coefficient of x².
- d: number
  Coefficient of x.
- e: number
  Constant term.
Returns number[]
An array of real roots.
- Defined in Calc/Util/Utils.ts:301