Unified Method for Solving General Polynomial Equations of Degree Less Than Five
In this paper we present a unified method for solving general polynomial equations of degree less than five.
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arXiv subjects
Raghavendra G. Kulkarni
Publications and source records attributed to Raghavendra G. Kulkarni.
Solution of single parameter Bring quintic equation
In this paper, we propose a new method to obtain a solution to a single-parameter Bring quintic equation of the form, $x^{5}+x=a$, where $a$ is real. The method transforms the given quintic equation to an infinite but convergent series expression in $(x/a)$, which is further transformed to a quartic equation in a novel fashion. The coefficients of the quartic equation so obtained are some kind of infinite series expressions in $a^{-4}$, which are termed as \textit{ultraradicals}. The quartic equation is then solved and its one real solution is picked; further using this, the real solution of quintic equation, $x^{5}+x=a,$ is extracted. The ultraradicals used in this method converge for $|a| > 1$; hence the method can be used when $|a| > 1$.
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